Digging Dog Nursery perennials

Perennials at Digging Dog
Tanacetum to Yucca

Including Thalictrum, Thymus, Tricyrtus, Trillium, Veronica, & Verbascum

Tanacetum

Tansy

Tanacetum vulgare ‘Isla Gold’ full sun  partial shade
Golden Tansy

Be careful! Legend tells us that this herb, mixed into salad, helped married couples conceive! With deeply incised, yellow-green foliage, ‘Isla Gold’ is a blithe light in the garden border, holding its bright color and form throughout the summer. Shear off yellow flower clusters to prolong the gilded display. Its carefree, open demeanor provides a delicately feathered backdrop for the dramatically dark leaves of Heuchera ‘Obsidian’.

Blooms July–August.

Size: 2-1/2'–3' high x 3' wide; hardy to zone 5.


Tanacetum vulgare Isla Gold (P-0868)
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Teucrium

Teucrium hircanicum ‘Paradise Delight’ full sun  partial shade Teucrium hircanicum Paradise Delight

Held in playful repose—some straight, some slightly bent—the long, animal-like floral tails host tightly set jade-green buds. Upon opening, copious Veronica-style spikes entice us with lavish purple-red shades. Touting a more compact habit, improved branching and aromatic sage-green textured foliage, this new and bushy, clump-forming perennial forges a welcome sight in any border, or it can be pruned for an attractive, out-of the-ordinary hedge.

Blooms August–October.

Size: 16"–20" high x 18" wide; hardy to zone 6.


Teucrium hircanicum Paradise Delight (P-1408)
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Teucrium hyrcanicum ‘Purple Tails’ full sun

Held in playful repose—some straight, some slightly bent—the long, animal-like floral tails host tightly set jade green buds. Upon opening, copious Veronica-style spikes entice us with lavish deep fuchsia-purple shades.

Native to the Caucasus Mountains and Iran, this bushy, clump-forming perennial, with its aromatic sage-green textured foliage, forges a welcome sight in any border, or it can be pruned for an attractive, out-of the-ordinary hedge.

Blooms July–October.

Size: 18"–2' high x 20" wide; hardy to zone 6.


Teucrium hyrcanicum Purple Tails (P-1324)
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Thalictrum

Meadow-Rue

Once upon a time, the newborn infant was placed upon a pillow filled with Meadow-Rue to ensure a prosperous life. Thalictrum means “to flourish,” and it does, with elegant foamlike sprays that resemble Baby’s Breath, and rounded, finely cut, compound foliage. Tougher than it appears, Thalictrum is the perfect choice for the border.

Thalictrum ‘Elin’ full sun  partial shade

Loosely garbed in striking steely blue foliage, ‘Elin’s tall purple-tinged stems maintain a stately carriage. An impressive hybrid between Thalictrum flavum var. glaucum and Thalictrum rochebrunianum, its sturdy upright stalks culminate in open sprays of bicolored pale yellow and lavender flowers. Known to grow up to 12 ft. tall, this lofty Thalictrum paints soft smoky hues in the background and seldom needs staking.

Blooms July–early August.

Size: 8' high x 2' wide; hardy to zone 5.

AVAILABLE SPRING 2010


Thalictrum Elin (p-1145)
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Thalictrum delavayi ‘Hewitt’s Double’ full sun  partial shade Thalictrum delavayi Hewitt’s Double

Pale purple double flowers with yellow eyes adorn this Thalictrum’s tall flower stems. We often grow ‘Hewitt’s Double’ among other plants, such as Anemone x hybrida ‘Andrea Atkinson’, for support, especially in areas exposed to summer wind and rain.

Blooms August–September.

Size: 4'–6' high x 3' wide; hardy to zone 5.


Thalictrum delavayi Hewitt’s Double (p-0139)
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Thalictrum flavum ssp. glaucum full sun  partial shade

You will never “rue” planting this winning European native. As it emerges in spring, tender mauve-tinted stems and foliage scramble skyward. By midsummer, gleaming and glaucous trilobed, silvery blue-green foliage adorns brawny upright stems. Erect, gossamer-like panicles of soft yellow burst upward in a frothy show.

Absolutely striking when planted in a drift with Phlomis russeliana and Spodiopogon sibiricus.

Blooms July–August.

Size: 5'–6' high x 2' wide; hardy to zone 5.


Thalictrum flavum ssp. glaucum (p-1146)
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Thalictrum flavum ssp. glaucum ‘Illuminator’ full sun  partial shade

Recently introduced from Holland, ‘Illuminator’ makes a dramatic entrance each spring as its strong blue-green stems and uniquely colored young foliage soar to elevated heights. Wavy edged, Columbine-like leaves unfurl with a luminous chartreuse cast, maturing to a glaucous green. Effervescent clusters of tiny yellow flowers crest this dignified Thalictrum, while its airy delicacy stands in sharp relief to bold-leafed plants such as Ligularias, Acanthus or Rheums.

Blooms July–August.

Size: 5' high x 2' wide; hardy to zone 5.


Thalictrum flavum ssp. glaucum Illuminator (p-1197)
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Thalictrum rochebrunianum full sun  partial shade

A marvelous perennial that fashions an ethereal, lavender-hued mist, this elegant Japanese native boasts attractive foliage and a bounteous display of dainty flowers. Tall stems hold glabrous, blue-green, oval-shaped leaves, and each produces wiry branched blooming panicles. Prominent pale yellow stamens and persistent sepals accentuate the display. Most effective in a drift, place wherever a glow of purple would be welcome.

Blooms August–September.

Size: 5' high x 2' wide; hardy to zone 5.


Thalictrum rochebrunianum (p-0970)
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Thymus

Thyme

“I know a bank where the wild thyme blows,” says Oberon to Puck in A Midsummer Night’s Dream. Upright or creeping, these aromatic culinary herbs form luscious mats of ground cover or sprite-sized shrubs, embellished with miniature flowers in whites, purples and pinks. In the herb garden, or around and between stepping stones or bricks, Thymes love sun and well drained soil, and can even tolerate a dose of wind and salt spray.

Thymus ‘Doone Valley’ full sun
Thymus  Doone Valley

This low spreading, evergreen Thyme has a lot to offer: golden variegated foliage, colorful flowers, and a tangy lemon aroma. Brimming with tiny pinkish purple blooms, the 3 to 4 in. long, flowering clusters enhance the gilt-edged, deep green leaves, which are especially bright-hued in the cool of spring. Creeping near Hebe ‘Champagne’, ‘Doone Valley’ makes a captivating, small-space ground cover.

Blooms August–October.

Size: 5" high x 18" & spreading; hardy to zone 5.


Thymus Doone Valley (P-1200)
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Thymus ‘Latavin Lucy’ full sun

Hailing from Latavin, this topnotch, rarely offered cultivar is the perfect choice for nestling between stepping stones. Resilient, deep green pint-sized leaves cavort close to the ground forming lustrous mats spangled with a slew of miniature, rosy purple blooms.

Blooms June–July.

Size: 3" high x 18"–2' wide; hardy to zone 5.


Thymus Latavin Lucy (P-1467)
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Thymus ‘Pink Chintz’ full sun
Mother Of Thyme

Dressed up with a fresh pink blanket of bloom and a delicate texture, ‘Pink Chintz’ is one of the first Thymes to flower. Obscured by its colorful cover, this vigorous ground hugger’s small grayish green leaves are strongly scented, close-knit and fuzzy. Try tucking Mother of Thyme in the rockery alongside Stachys ‘Silky Fleece’ and Dracocephalum ‘Blue Dragon’ for a detailed association.

Blooms May–July.

Size: 1"–2" high x 18" wide; hardy to zone 5.


Thymus Pink Chintz (P-1286)
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Thymus leuchotrichus full sun

Dwelling in Turkey’s Amanos Mountains, this distinctive softly colored Thyme houses pale stems and short, stiff needlelike leaves. The low, aromatic grey-green mound is fine textured, semievergreen and well branched, and garnished with clusters of miniature rosy pink flowers, making it a natural for a trough, the rockery or a Thyme-inspired tapestry.

Blooms June–July.

Size: 8" high x 12" wide; hardy to zone 7.


Thymus leuchotrichus (P-1544)
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Thymus pannonicus full sun  new plant

Small pink flowers ascend a thimble’s length or two above a soft looking, broad mound of fine textured, almost needlelike foliage.

Blooms June–August.

Size: 4" high x 15" wide; hardy to zone 4.


Thymus pannonicus (P-0140)
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Thymus praecox ‘Pseudolanuginosus’ full sun  new plant
Woolly Thyme

Woolly, Tom Thumb-like and cozy-looking, the aromatic silver-green leaves form a tight nearly prostate mat tough enough to handle foot traffic. This versatile pink flowering Thyme can creep between steps and patio stones or cushion hard edges in the garden, as well as spice up culinary dishes and impart medicinal properties. Zone 3/4.

Blooms May–June.

Size: 1"–2" high x 10"–12" wide; hardy to zone 4.


Thymus praecox Pseudolanuginosus (P-1623)
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Thymus praecox ssp. arcticus ‘Albus’ full sun
White Creeping Thyme

An elfin-sized army of bright green rounded leaves and wiry thin, straw-colored stems weaves a low-lying springy mat. Whether nestled into nooks or stowed amid pavers, the attractive evergreen foliage gets a refreshing lift when petite white flowers form a thick summertime icing.

Blooms July–August.

Size: 2' high x 12" wide; hardy to zone 5.


Thymus praecox ssp. arcticus Albus (P-1543)
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Thymus pulegioides ‘Archer’s Gold’ full sun

Illuminated by gold-splashed green leaves, this bushy aromatic Thyme sculpts low evergreen billows that soften our steps. Droves of lighthearted lavender-pink flowers and neighbors like Saponaria and Silene ‘Compacta’ heighten the composition. Zone 6/7.

Blooms June–July.

Size: 6" high x 12" wide; hardy to zone 7.


Thymus pulegioides Archer’s Gold (P-1409)
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Thymus serpyllum ‘Minor’ full sun

Teensie-tiny miniature leaves comprise a snug carpet-like hummock that’s small in size, but big on charm. Remarkably rugged, the fuzzy, gray-green overlapping foliage belies its diminutive appearance, enduring some foot traffic and hot dry conditions. Pretty lavender-pink elfin flowers peek out from the fine textured soft-looking clump as it slowly mantles a staircase, the rockery or a Tom Thumb-like container planting.

Blooms July–August.

Size: 1"–3" high x 12" wide; hardy to zone 4.


Thymus serpyllum Minor (P-0141)
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Thymus serpyllum ‘Victor Reiter’ full sun

Rosy pink flowers peer above this mat of semi-evergreen, fragrant, rich kelly green foliage. Noted collector Victor Reiter brought this one back to northern California from the Mediterranean. We use it liberally to fill crevices or cascade over walls.

Blooms June–July.

Size: 2"–6" high x 2' wide; hardy to zone 6.


Thymus serpyllum Victor Reiter (P-0142)
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Tiarella

Foam Flower

This easy-to-grow, clump-forming evergreen is one of the finest spring flowering woodland perennials.

Tiarella ‘Pink Skyrocket’ partial shade Tiarella  Pink Skyrocket

‘Pink Skyrocket’, a Terra Nova introduction, is one of the best pink flowering cultivars in the genus. Dissected Maple-like leaves, engraved with dark chocolate central blotches, shape a lush shiny green mound. “Skyrocketing” on tall sturdy stems, large, perfect-for-cutting spires are studded with round rosy buds and frothy pink and white star-shaped flowers. En masse, as an understory or along the border, this easy-to-grow, clump-forming evergreen works well skirting Viburnum, the Sichuan Deutzia and Sambucus. (pp#13382)

Blooms March–May.

Size: 12" high x 12" wide; hardy to zone 4.


Tiarella Pink Skyrocket (p-1468)
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Trachystemon

Trachystemon orientalis full sun  partial shade  shade lover
Oriental Trachystemon

Looking for a bold toughie to beautify that problem area in your garden? Trachystemon orientalis may be your answer.

Whether the spot is sunny or shady, dry or moist, or over rough terrain, this Borage family member will rapidly fill it in with a thick, weed-smothering cover of handsome, coarse textured dark green leaves—hairy, immense, many up to a foot long, and heart-shaped—attached to long petioles. Heralding spring, starry blue, white-throated flowers carried on branched hairy pink stems are reminiscent of Dodecatheon blooms and make their appearance before the wavy-edged foliage bursts forth in late spring.

Its native haunts are Bulgaria and northern Turkey, and here in our garden it intermingles with Anthriscus ‘Ravenswing’ and Euphorbia ‘Great Dixter’, creating a dynamic array of foliar colors and textures.

Blooms March.

Size: 18" high x 2' & spreading; hardy to zone 6.


Trachystemon orientalis (P-1356)
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Tricyrtis

Toad Lily

Some say this fascinating species owes its common name to the Philippine Tasaday Indians’ practice of wiping their hands with juice from the blossoms before setting out to collect frogs. Others say it’s the unusual spotted flowers that account for the name.

Whichever story is true, the blooms have such detail and quiet beauty that they should be admired close-up. They open on gently arching stems for long periods in late summer and early fall, when most other flowers are already spent. With a moist, humus-rich soil, all the Toad Lilies will form elegant clumps.

Tricyrtis ‘Empress’ partial shade  shade lover

Renowned for its extra large and wider open flowers, this exquisite, newly introduced Toad Lily is a formosana hybrid. Ornate, spidery spaced petals are inscribed by occasional darkened tips and irregular velvet-rich deep purple spots, stipples and mottling on a creamy white background. An enticing fall beacon amongst the shadows, ‘Empress’s showy terminal blooms are supported by an upright robust gathering of lustrous, semi-clasping dark green foliage that stays dapper all season.

Blooms August–September.

Size: 2-1/4' high x 18" wide; hardy to zone 5.


Tricyrtis Empress (P-1469)
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Tricyrtis ‘Hatatogisa’ partial shade  shade lover

These purple-spotted, dark dusty blue flowers with white centers evoke images of early night skies sprinkled with stars. The dark green foliage is also spotted, and combines with deep purple buds to give this spectacular Tricyrtis long lasting appeal. Plant with Kirengeshoma and double the intrigue of the flowers and foliage.

Blooms September–October.

Size: 2' high x 18" wide; hardy to zone 5.


Tricyrtis Hatatogisa (P-0423)
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Tricyrtis formosana ‘Samurai’ partial shade  shade lover

Smaller in stature than the other Tricyrtis cultivars we offer, the wine-colored upright stems of this garden “warrior” are a striking complement to its light green leaves. A further touch of light is achieved by the irregularly variegated, creamy leaf margins. Orchid-like purple flowers have dark plum speckles, and gold and white highlights at their centers. Skirt it with Epimedium grandiflorum ‘Lilafee’.

Blooms August–September.

Size: 16" high x 18" wide; hardy to zone 5.


Tricyrtis formosana Samurai (P-0143)
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Tricyrtis hirta ‘Moonlight’ partial shade  shade lover

Attired in neon-bright chartreuse foliage, this hirta ‘Variegata’ sport is a shining beacon for any shady spot that needs some oomph. Arching stems feature arresting, purple flecked white flowers that heighten the illuminated composition.

Introduced by Bluebird Nursery, ‘Moonlight’ maintains its refreshing, well-groomed look throughout the season.

Blooms September–October.

Size: 20" high x 18"–2' wide; hardy to zone 5.


Tricyrtis hirta Moonlight (P-1355)
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Tricyrtis x ‘Sinonome’ partial shade  shade lover

Long esteemed in Japan for its elegant cut flowers, ‘Sinonome’ presents a pleasing vase-shaped clump of upright stems lined with lustrous, clean-looking dark green foliage. Emerging from buds the color of chocolate, white, upfacing blooms show off richly colored ruby freckles. One of the more heat and drought tolerant Toadlilies, this Tricyrtis could be planted next to Aster divaricatus.

Blooms September–October.

Size: 2'–3' high x 2' wide; hardy to zone 5.


Tricyrtis x Sinonome (P-1228)
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Trifolium

Clover

Trifolium rubens full sun
Red Feather Clover

Denoting good luck, this easily cultivated perennial legume is quite ornamental. Bushy, upright clumps of signature tripetaled, medium green leaves, give rise to huge silvery buds, which open to become bright crimson candles of bloom. Borne on long stems, the soft flowers come in droves, and are choice for drawing bees, butterflies and hummingbirds. Create a stylized meadow by planting it amongst Lupinus ‘The Governor’ and Pennisetum ‘Hameln’.

Blooms July–August.

Size: 2' high x 18" wide; hardy to zone 5.


Trifolium rubens (p-1198)
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Trillium

Wood Lily

A sure sign that spring has settled in, these demure treasures are at home in cool woodland settings. Soon after their enchanting flowers fade, the handsome foliage disappears as well. Trilliums are long-lived, prefer humus-rich soil with ample moisture, and make admirable companions for Asarum, Toad Lilies, and ferns.

Trillium albidum partial shade  shade lover  new plant
Sweet Trillium

Hobnobbing in moist sites from San Francisco to southern Oregon, this native is robust and showy. Large subtly fragrant pearl white flowers are perched atop a dark green cushion of dappled, wavy edged spring foliage that rises on tall, often multiple, stems. In early summer, prominent purple berries keep our interest sparked.

Blooms mid-March–late April.

Size: 16" high x 10"–12" wide; hardy to zone 6.


Trillium albidum (P-1622)
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Trillium grandiflorum ‘Snowy White’ partial shade  shade lover
White Wake Robin

The quintessential native woodland plant, ‘Snowy White’ promises a sparkling display of pure white, three-petaled flowers. Wavy-edged, curved back at the tips and blushing a rosy hue as they wane, the regal blooms garnish attractive green foliage that easily carpets a cool, shady spot.

Blooms March–May.

Size: 12"–18" high x 10"–12" wide; hardy to zone 4.


Trillium grandiflorum Snowy White (P-0885)
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Trillium luteum partial shade  shade lover
Yellow Wake Robin

The broad foliage of this species is marbled with light green and yellow, echoing the colors of the showy flower. Ours is planted under a Myrica californica with Helleborus x hybridus and Asarum caudatum.

Blooms April–early June.

Size: 12" high x 12" wide; hardy to zone 5.


Trillium luteum (P-0559)
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Trollius

Globeflower

Gracing gardens since the 16th century, these marvelous yellow-hued blooms inspired their name, which translates to “basin” in Latin or “globe” in German. Globeflowers are undemanding perennials that look best en masse and are the perfect choice for the waters’ edge, a boggy spot, or the border, given a moisture retentive, organic-rich soil and shelter from hot sun.

A sterling addition to bouquets, the Buttercup-like blossoms perch on straight stems above handsome, deeply divided glossy leaves and promise a long summer fling with regular deadheading.

Trollius ‘Fireglobe’ full sun  partial shade

Touted as one of the deepest colored Trollius cultivars, ‘Fireglobe’ is set aglow with rich orange-yellow hues. Lavish layers of delicate, incurving petallike sepals describe large bowl-shaped flowers, which eventually open to reveal numerous showy stamens. A sure sign summer has arrived, its jaunty blooms are elevated above lustrous, deeply chiseled and narrow lobed greenery, while lending a cheerful grace note to fellow moisture-lovers, Astrantia ‘Moulin Rouge’ and Aruncus ‘Zweiweltenkind’.

Blooms June–July.

Size: 2-1/2'–2-3/4' high x 18" wide; hardy to zone 3.


Trollius Fireglobe (P-1554)
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Trollius chinensis ‘Golden Queen’ full sun  partial shade

Bearing a crown of 12 or more narrow vertical petals surrounded by an outer ring of cupped soft orange sepals, this Trollius is known as the “Queen of the Buttercups.” Gleaming dark green leaves—serrated, toothed and finely cut—meld a vigorous basal clump that launches the sturdy 3 ft. tall flowering stems in no need of staking.

Blooms June–July.

Size: 2'–2-1/2' high x 18" wide; hardy to zone 4.


Trollius chinensis Golden Queen (P-1410)
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Trollius europaeus ‘Superbus’ full sun  partial shade

Composed of overlapping, incurved petals bathed in cool lemon-yellows, beautiful globes gracefully alight foot long olive-green stems. A polished foliar mass grounds the bounteous one to two in. blooms. Maintaining a fresh look even when exposed to drier conditions, the large richly green leaves are rounded and divided into 5 parts with each lobed leaflet emargined by prominent teeth.

Blooms June–July.

Size: 2' high x 18" wide; hardy to zone 4.

AVAILABLE SPRING 2010


Trollius europaeus Superbus (p-1412)
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Trollius x cultorum ‘Cheddar’ full sun  partial shade

Pale yellow, tissue-like petals fashion an exquisite, nearly double, shallow open cup. Casting a soft feminine mood on the May garden, the sumptuous blooms pose above an attractive mound of shiny foliage carved into small sections. A Dutch introduction, ‘Cheddar’ deserves to find its way into more gardens, where it will flourish in damp open sites matched with companions such as Sanguisorba obtusa or Geranium ‘Espresso’ .

Blooms June–July.

Size: 2' high x 18" wide; hardy to zone 4.


Trollius x cultorum Cheddar (P-1411)
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Uvularia

Merrybells

Uvularia grandiflora partial shade  shade lover

With subtle grace, this moisture-loving woodland dweller unveils exquisitely dainty, moonlit yellow blooms. Its slender rhizomes send up a colony of wiry, erect branching stalks alternately wrapped in smooth, fresh green oblong foliage without petioles. From the upper leaf nodes on arched stem tips, 6 twisted lanceolate petals define narrowly bell-shaped blooms that enact a merry, dangling dance.

A Solomon’s Seal relation native to central and eastern America, Merrybells easily enchants any open, shady haunt given humus-rich soil, mulch and companions like Disporum ‘Heronswood Night’ and Ajuga ‘Chocolate Chip’.

Blooms March–April.

Size: 12" high x 9" wide; hardy to zone 3.


Uvularia grandiflora (P-1413)
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Veltheimia

Veltheimia bracteata shade lover
Forest Lily

Donning the namesake of an 18th century German plant enthusiast and botanical patron, August Ferdinand von Veltheim, this extraordinary South African bulb counts Eucomis and Galtonia among its kin.

The 3 in. wide, deep green foliar straps stretch to a foot in length and are distinguished by decorative, undulating margins. Achieving a lustrous and lush-looking, nearly evergreen rosette, the upwardly arching leaves decline in late spring, reappearing at summer’s end.

Brilliant green buds burst forth, premiering Kniphofia-like, pendulous, cylindrical florets in rosy pink hues. Poised atop mottled, earth-toned stalks, the waxy, green-tipped blooms hold their color for up to a month, rendering them irresistible to hummingbirds and florists alike. A visual delight for a warm, sheltered terracotta vessel, this pest resistant, undemanding beauty should be planted just beneath the soil surface in a well draining, almost sandy, soil and kept dry during its summer dormancy.

Blooms February–early April.

Size: 12"–18" high x 12" wide; hardy to zone 9.


Veltheimia bracteata (P-1289)
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Verbascum

Mullein

This genus has a host of common names, including ‘Beggar’s Blanket’ and ‘Old Man’s Flannel’. In England, the very poor used to put the thick leaves into their shoes for warmth. It is also said that when fish eat the seeds, they are stupefied and can be gathered by hand.

Although most of the more than 300 species are biennials, our offerings are perennials. Though some are dwarfs and some are giants, nearly all have fuzzy stamens and prefer very well drained sandy or rocky soil. We like to use them in the rock garden as specimens or for naturalizing.

Verbascum ‘Gainsborough’ full sun

This Verbascum’s hushed colors are soothing to the senses and easy to blend with other perennials. Centered by delicate orange stamens, the cupped, dusky primrose yellow flowers and cream-colored buds crowd numerous branched candelabra-style spires. Wooly gray leaves converge at the base of the statuesque presentation, while Echinops ‘Arctic Glow’s snow-white spheres make a pleasing counterpoint.

Blooms July–August.

Size: 4'–4-1/2' high x 18" wide; hardy to zone 5.


Verbascum Gainsborough (P-1556)
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Verbascum ‘Golden Wings’ full sun

Just above this dwarf’s tidy mounds of deeply texture gray-green foliage, buds which look like miniature satin pillows and cheerful one in. yellow flowers rest on short spikes. We plant ‘Golden Wings’ as an accent in the rock garden and in stone wall crevices, and especially like to combine it with Campanula ‘Cherry Bells’.

Blooms June–August.

Size: 8" high x 12" wide; hardy to zone 6.


Verbascum Golden Wings (P-1415)
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Verbascum ‘Pink Domino’ full sun

Romantic shades of rose-pink dress up these dark-eyed saucer-shaped blooms. Standing straight and tall, the lovely spikes rise from a rich green, purple-streaked, ripply rosette. Sprinkle among Monarda ‘Violet Queen’ and Eryngium ‘Blue Jackpot’ for divergent flower forms and an unrivaled feminine touch.

Blooms June–August.

Size: 4'–4-1/2' high x 18" wide; hardy to zone 5.


Verbascum Pink Domino (P-1557)
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Verbascum ‘White Domino’ full sun  new plant

A stately stand of tall branched racemes laden with large, white cupped blooms distinguishes this new Verbascum cultivar. Fuzzy basal foliage, steeped in soft grayish greens, launches the crisp and classic display that shows a lively touch of color when reddish purple floral filaments appear.

Blooms June–August.

Size: 3-1/4'–4' high x 18" wide; hardy to zone 5.


Verbascum White Domino (P-1621)
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Verbascum chaixii ‘Sixteen Candles’ full sun

Grounded by gray-green rosettes, these upstanding candelabras of copious, violet-eyed, sunshine-hued flowers stage a truly incandescent spectacle. Irregular scallops, net-veining and long petioles define its dynamic large basal leaves. Preferring a somewhat dry, well drained site, ‘Sixteen Candles’s proud yellow spires command attention alongside Nepeta reichenbachiana.

Blooms June–August.

Size: 3-1/4' high x 2' wide; hardy to zone 5.


Verbascum chaixii Sixteen Candles (P-1287)
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Verbascum chaixii ‘Wedding Candles’ full sun

Illuminated tapers stage droves of tightly set pure white flowers centered by fuzzy purple filaments and bright orange anthers. The flat-faced blooms shine above pearly green textured leaves.

Conveying a bright floral lift all summer long, this undemanding perennial can be sited in drier garden areas with Perovskia abrotanoides or Phygelius ‘Snow Queen’.

Blooms June–August.

Size: 3'–3-1/2' high x 18" wide; hardy to zone 5.


Verbascum chaixii Wedding Candles (P-1417)
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Verbascum hybridum ‘Wega’ full sun
Banana Custard Mullein

A felted, biennial rosette of ample, grayish green ripple-edged foliage launches spectacular 6 ft. tall luminous flowering stalks. The crowded, blunt-tipped stout stems house fuzzy, round silver buds and large, saucer-shaped blossoms bathed in soft custard yellow hues with orange anthers.

These long blooming, multibranched beauties are some of the last flowers to grace our mixed border, delivering glowing vertical accents ‘til October’s end.

Blooms July–October.

Size: 6' high x 2' wide; hardy to zone 6.


Verbascum hybridum Wega (P-1416)
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Verbascum nigrum ‘Album’ full sun
Verbascum nigrum Album

With flower spikes reaching over 3-½ ft. tall, ‘Album’ is truly dramatic. Its many white flowers are tinged with crimson at the base of each petal and accented by golden orange stamens. The large basal leaves are coarse, deep green and textured. Their undulating margins, and often their stems, are tinted a deep burgundy color.

Blooms July–August.

Size: 4' high x 18" wide; hardy to zone 5.


Verbascum nigrum Album (P-0320)
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Verbascum olympicum full sun
Candlewick

A remarkable perennial of Olympian proportions, Candlewick originates in Europe’s Bithynian Mountains. Large, felted, wavy-edged leaves form a huge, silvery basal rosette that lasts through the winter. In summer, woolly “candles” branch out at the base, and soar skyward with cheerful clusters of bright yellow flowers. Outstanding as a feature plant in a shrubby Mediterranean border, this monumental Mullein appreciates a dry spot.

Blooms July–September.

Size: 6'–8' high x 2'–3' wide; hardy to zone 7.


Verbascum olympicum (P-0973)
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Verbascum phoeniceum ‘Flush of White’ full sun

Dressed in pure white, the slender flowering spikes show off an abundance of frosty, yellow-eyed blooms. This illuminated display arises from ripple-edged green foliage, which achieves a tidy, compact rosette. ‘Flush of White’s uniform snowy coloring is unusual for a Verbascum, while its smaller stance becomes an added bonus where space is limited.

Blooms May.

Size: 2'–2-1/2' high x 18" wide; hardy to zone 6.


Verbascum phoeniceum Flush of White (P-1288)
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Verbascum phoeniceum ‘Rosetta’ full sun

Rivaling ‘Violetta’s colorful display, ‘Rosetta’ is her pretty, carmine-pink relation. Anchored by comely, crimpled dark green leaves, the tall spires host sumptuously hued, gold-centered, saucer-shaped flowers that celebrate the vivid hues of Phygelius ‘New Sensation’ and Liatris ‘Floristan Violett’.

Blooms May–August.

Size: 2'–2-1/2' high x 18" wide; hardy to zone 6.


Verbascum phoeniceum Rosetta (P-1229)
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Verbascum phoeniceum ‘Violetta’ full sun
Purple Mullein

As a precursor to the royal floral show of this delicate Mullein, enchanting buds swell, resembling tiny, dark satin pillows. A deep green, flat rosette of oval-shaped, crinkled leaves provides an attractive base for the airy and richly colored flowering spikes. Brightened by gilt stamens, papery purple blooms are flat-faced and look fabulous in arrangements. Self-seeding easily, and shorter in stature than most Verbascums, ‘Violetta’ is perfect for the smaller garden.

Blooms May–August.

Size: 2'–3' high x 18" wide; hardy to zone 6.


Verbascum phoeniceum Violetta (P-0972)
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Verbena

Verbena hastata full sun
Blue Vervain

This vigorous North American native grows upright and develops a dense, broad crown after a few seasons. The effect is almost candelabralike, with tiny blue-violet flowers and purple bracts opening in an upward-moving whorl along branching flower spikes. The vibrant glow of the flowers reflects the deep purple stems and brightens the dark green pointed foliage. For an interesting blend of forms, plant this Vervain with Rodgersias and Helianthus hirsutus.

Blooms July–September.

Size: 4' high x 18" wide; hardy to zone 4.

AVAILABLE FALL 2010


Verbena hastata (p-0424)
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Vernonia

Vernonia crinita full sun  new plant
Ironweed

A robust presence, unsurpassed late fall color and a compelling winter silhouette are this North American prairie dweller’s claim to fame. Painted with opulent crimson-purple hues, the flat branched heads of Aster-like flowers surmount proud stiff stems and long lance-shaped, rough-to-the touch green leaves. A finale of fluffy white seed heads matures to a rusty orange, earning its common name, while the genus pays tribute to William Vernon, a British botanist who collected the species in Maryland in 1698.

Clump-forming Ironweed is well-suited for a modern meadow-style theme, holding its own amongst bold, green bladed Miscanthus or more airy Molinia or tall perennials like Helianthus ‘Lemon Queen’ and Aconitum. Beloved by bees and butterflies everywhere, it’s easily cultivated, appreciating a well drained moderately moist site.

Blooms August–September.

Size: 5' high x 12"–2' wide; hardy to zone 5.


Vernonia crinita (P-0971)
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Veronica

Speedwell

According to legend, Saint Veronica used her handkerchief to soothe Christ’s brow, and forever after, it bore markings that are supposedly replicated in these long blooming Speedwell flowers. Flourishing in sunny, well drained sites, our Veronica selections are undemanding, and deliver dazzling color to the summer border.

Veronica incana ‘Silbersee’ full sun
Silver Speedwell

A low mass of silvery, Sage-like foliage—linear, handsome and mostly evergreen—hosts elongated, deep violet-blue spires on gracefully sweeping, leafy stems. Along a path or cascading over a wall, ‘Silbersee’ enhances the apricot blooms of Papaver spicatum.

Blooms June–July.

Size: 12" high x 12" wide; hardy to zone 4.

AVAILABLE SUMMER 2010


Veronica incana Silbersee (p-0975)
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Veronica longifolia ‘Alba’ full sun

Strong erect stems elevate a refreshing floral display of tall, slender pure white columns crowded with small tubular blossoms that taper into curvy green tips. Beloved by bees, butterflies and flower arrangers, the sophisticated spires bloom for several months, and last in a vase for 7 to 10 days. This clump-forming hardy perennial dons toothed and pointed, lance-shaped leaves, lending a lush green presence to the rockery or mixed border, especially when planted in eye-catching drifts.

Blooms June–August.

Size: 3' high x 15" wide; hardy to zone 4.


Veronica longifolia Alba (P-1470)
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Veronica pectinata full sun
Blue Wooly Speedwell

All the way from Asia Minor’s sunny Mediterranean haunts comes this irresistible yet hard working evergreen ground cover. Offering up hordes of endearing bright blue, white-eyed blooms over a long period, this prostate Speedwell crafts a gray-green, matting carpet defined by light hairy stems and fuzzy deep cut foliage that looks a bit like miniature oak leaves.

Veronica pectinata is tailor-made for softening steps, rock walls or a path’s edge and is a cinch to grow, requiring only minimal water and a well drained nook.

Blooms July–mid-September.

Size: 2'–4' high x 12"–15" wide; hardy to zone 4.


Veronica pectinata (P-1418)
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Veronica spicata ‘Royal Candles’ full sun
Spiked Speedwell

Plentiful and sumptuously colored, the dense, dark violet-blue tapers crown a compact, noninvasive base of glossy deep green foliage that stays fresh well into fall. Show off this perky new British cultivar right up front with Achillea ‘Marmalade’s cheerful yellow flowers.

Blooms June–July.

Size: 15"–18" high x 18" wide; hardy to zone 4.


Veronica spicata Royal Candles (P-1151)
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Veronicastrum

Culver's Root

These elegant perennials impart a lofty vertical element to the late summer garden. Graced with distinctive narrow spires of densely arranged tiny flowers, Veronicastrum are native to meadows and woodlands, and are easy to grow in adequately moist soil.

Veronicastrum sibiricum full sun  partial shade

Studded with lavender blue blooms, the lengthy flower spikes make an elegant presentation. Arranged in groups, they stand proudly on upright, sturdy stems, which sport spaced whorls of neat, broadly lanceolate leaves. This noble Asian native offers an admirable contrast to mounding forms, such as Amsonia hubrichtii.

Blooms July–September.

Size: 5' high x 18" wide; hardy to zone 4.

AVAILABLE SUMMER 2010


Veronicastrum sibiricum (p-0977)
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Veronicastrum virginicum ‘Album’ full sun  partial shade

Resembling glowing tapers, erect snowy white racemes tipped with green buds make a crisp, classic statement. The luminous blooms hold court above whorls of horizontally set deep green foliage that grow at intervals along sturdy upstanding stems. Veronicastrum ‘Album’ commands our attention, while it sheds light on cohorts such as Geranium ‘Jolly Bee’ or Helianthus ‘Capenoch Star’.

Blooms August–October.

Size: 4' high x 15" wide; hardy to zone 4.


Veronicastrum virginicum Album (P-0144)
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Veronicastrum virginicum ‘Erica’ full sun  partial shade

‘Erica’s strong leafy stems taper delicately into long two-toned racemes of lavish red buds and small tightly packed pale pink flowers with prominent darker stamens. Opening from the base up, the slender wands bend and curve, adding a playful air to the impressive carriage below.

Display this graceful Veronicastrum with Selenium wallichianum’s white umbels, and the rosy plumes of Miscanthus ‘Positano’.

Blooms July–September.

Size: 3'–4' high x 15" wide; hardy to zone 4.


Veronicastrum virginicum Erica (P-1414)
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Veronicastrum virginicum ‘Fascination’ full sun  partial shade

‘Fascination’s leafy stems taper delicately into 15 in. long lilac-rose racemes tipped with vivid green buds, which bend and curve, adding a playful air to its imposing carriage. Display this graceful Veronicastrum with Angelica archangelica’s rounded umbels, and the rosy plumes of Miscanthus ‘Nippon’.

Blooms August–September.

Size: 5'–5-1/2' high x 2' wide; hardy to zone 4.

AVAILABLE SPRING 2010


Veronicastrum virginicum Fascination (p-1230)
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Veronicastrum virginicum ‘Lavendelturm’ full sun  partial shade

Coined Lavender Towers, this imposing Ernest Pagels introduction is aptly named. Straight-up stems garbed in handsome greenery—whorled, sharply toothed and pointed—give way to long branched spikes embellished with lovely pale purple flowers.

Blooms August–September.

Size: 4'–5' high x 2' wide; hardy to zone 4.


Veronicastrum virginicum Lavendelturm (P-1555)
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Viola

Violet

Viola cornuta ‘Bowles Black’ full sun  partial shade

Violets have long been associated with faithfulness, and this delicate beauty holds true to her promise, blooming nonstop from spring until frost. Lifted on thin stems just above small, green scalloped leaves, the lavish display of dainty, midnight black flowers achieves a velvet luxury as deep purple accents surround golden eyes. Always appreciative of a good trimming, this compact Violet can be naturalized under a shrub, situated amid Alchemilla erythropoda by the patio or planted in a favored terracotta vessel.

Blooms May–September.

Size: 8" high x 12" wide; hardy to zone 7.


Viola cornuta Bowles Black (P-1290)
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Wachendorfia

Wachendorfia thyrsiflora full sun  partial shade
Red Root

Standing straight and bright green, the pleated all-season foliage forges a bold, sword-shaped presence for the back of the garden. Eye catching flower stems develop short side branches, each presenting several good-sized starry golden orange flowers with darker markings on their lower petals.

This long blooming South African native is easy to grow in moist heavy soils, and for a real surprise, dig down to see its otherworldly, dayglow orange roots. Zone 8/9.

Blooms May–August.

Size: 4'–6' high x 2'–3' wide; hardy to zone 9.


Wachendorfia thyrsiflora (P-1419)
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Yucca

Yuccas can be found over much of North America, and the architectural assertiveness of their strong, swordlike blades is prized by gardeners. Each year, stout leafless stems bear large clusters of waxy, alabaster-colored floral pendants. Needing little or no maintenance and thriving best in well drained soil, these toughs will not complain where summers are hot or humid, or long and dry. Zone 5/6

Yucca ‘Garland’s Gold’ full sun

Yuccas can be found over much of North America, and the architectural assertiveness of their strong, swordlike blades is prized by gardeners. Most effective en masse, this cultivar’s stiff, spiky leaves comprise a closely set, evergreen rosette. Outlined in green, they flex slightly and are marked down the center with a bold, creamy gold stripe, and an added luster is achieved from long, silvery margin fibers that uniquely seem to capture the moonlight!

Each year, stout leafless stems bear large clusters of waxy, alabaster-colored floral pendants. Needing little or no maintenance and thriving best in well drained soil, these toughs will not complain where summers are hot or humid, or long and dry. Strength is spotlighted when ‘Garland’s Gold’ is partnered with Plectranthus ‘Longwood Silver’s felted foliage. Zone 5/6.

Blooms June–August.

Size: 5' high x 3' wide; hardy to zone 6.


Yucca Garland’s Gold (P-1231)
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Yucca rostrata ‘Sapphire Skies’ full sun
Blue-beaked Yucca

A beguiling sculptural rosette of powder blue, thin pointed blades, year-round good looks and exceptional hardiness is what this shrubby, fine textured Yucca has to offer. Relatively short, flexible leaves forge a luminous specimen well suited for a vessel or the dry garden.

Selected by Sean Hogan of Cistus Nursery from seed he collected in northern Mexico, it will eventually form an upright unbranched plant that prefers to bake in a hot sunny spot with sharp drainage and alkaline soil, while protection from excessive cold-season water and wind helps ensure a successful overwintering.

Blooms July–August.

Size: 4' high x 3' wide; hardy to zone 6.


Yucca rostrata Sapphire Skies (P-1471)
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