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New/Featured for 2019

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Full Sun

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Partial Shade

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Drought Tolerant
Drought Tolerant

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Picture Available

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Drawing Available

(PPAF) = Propagation of this plant prohibited without a license.

Hardiness Zone Map


Veronicastrum

Culver's Root

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

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' 0" high x 18" wide.

Hardy to zone 4.

<i>Veronicastrum sibiricum</i> ‘Red Arrows’

True to its name, this distinctive undemanding Coen Jansen introduction asserts deep rosy red buds squeezed onto a central spike, surrounded by slightly smaller side stalks all opening at the same time and presenting a unique arrow shape. Cherished by bees and butterflies, the striking spires unfurl a score of tiny violet flowers, while whorled lanceolate leaves attire tall steadfast stems. A glamorous upright mainstay for any planting, "Red Arrows" soars amongst Trifolium rubens, Phlox "Nicky" and Sedum "Matrona" in a prairie-style landscape or a more formal setting.

Blooms July–September

Size: 4' 0" high x 18" wide.

Hardy to zone 4.

In addition to the stylish blooms, this sought-after Veronicastrum gives you good reason to adore it. When tall valiant stems stretch skyward, they strut prismatic purple shades that are easily spotted from a distance, promising to turn more than a few heads. Dense, round pink buds set the stage for ethereal-looking lilac flowers on candelabra-like spires, further enhancing the dashing whorls of pointed deep green leaves.

Blooms August–September

Size: 4' 0" – 5' 0" high x 2' 0" wide.

Hardy to zone 4.

<i>Veronicastrum virginicum</i> ‘Album’

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 leaves that grow at intervals along sturdy upstanding stems. Veronicastrum "Album" commands our attention, while it sheds light on cohorts such as Persicaria "Blackfield" or Helenium "Rotgold".

Blooms August–September

Size: 4' 0" high x 15" wide.

Hardy to zone 4.

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

Blooms August – September.

Size: 5' 0" – 5-1/2' high x 2' 0" wide.

Hardy to zone 4.

<i>Veronicastrum virginicum</i> ‘Erica’

‘Erica’s staunch leafy stems taper delicately into long 2-toned racemes of reddish 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 Angelica ‘Vicar’s Mead’ rounded umbels and the wine-red blades of Panicum ‘Ruby Ribbons’.

Blooms July–September

Size: 3' 0" – 4' 0" high x 15" wide.

Hardy to zone 4.

Come late summer, when afternoon shadows lengthen across the garden, we watch for the setting sun to illuminate this stately specimen, its 15 in. long rosy lilac racemes culminate in narrow, often pendulous, vivid green-budded tips. Strong stems bearing whorled, darkly verdant linear foliage seldom need staking. Pair with arching Stipa gigantea in the border for a natural look.

Blooms August–September

Size: 5' 0" – 5-1/2' high x 2' 0" wide.

Hardy to zone 4.

<i>Veronicastrum virginicum</i> ‘Lavendelturm’

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

Blooms August–September

Size: 4' 0" – 5' 0" high x 2' 0" wide.

Hardy to zone 4.

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Current Staff's Favorite Plant

Current Staff's Favorite Plant

Our featured plant: Crocosmia x crocosmiiflora ‘Honey Angels’

Colorful Crocosmias, Be Awed by your August garden, Saturday Strolls!

Click here to view our Late August 2019 Newsletter!

Colorful Crocosmias!

Crocosmias pack a punch of late summer color as our gardens transition into autumn. Their clustered tubular flowers populate the ends of gracefully arching spikes, which emerge from handsome sword-like foliage. Ranging from yellow, peach and orange to fiery red, their prismatic shades look exceptional with white flowering perennials such as Phlox ‘David’, Selinum wallichianum and Aster ‘Bridal Veil’, as well as the blue blossoms of Aconitum, Agapanthus ‘Storm Cloud’ or Aster ‘Twilight’. For fun you could create a hot border, blending them with Kniphofia, Helenium, Salvia and even other Crocosmia, plus be sure to include some in your next bouquet. Commonly referred to as Montbretia and hardy to Zone 6, they appreciate, good drainage, adequate water and some shade in scorching summer sun. Please feel free to check out our extensive collection of Crocosmia cultivars in the perennial section of our online catalog.

YES, it’s possible to be in awe of your late August garden….

At this point in the season, some areas in our gardens may appear a tad worn or lackluster. If you haven’t already done so, you may wish to cut back a few tired looking perennials, such as the Nepetas or Geraniums, so you can enjoy a fresh flourish of growth plus more blooms. Adequate moisture and an additional application of compost will also ensure late summer vigor. Incorporating plants that provide a bounty of flowers and alluring leaves in August and September helps buoy our spirits, and hopefully even inspire a little awe as we approach fall. Though the plants featured in this newsletter either promote a bold statement or possess more refined aspects, they equally caught my eye and made me pause to take a closer look. Perhaps they’ll spark a wondrous moment for you as well. All of us Digging Dog plant wranglers wish you Happy Digging!

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