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Hardiness Zone Map


Roscoea

Thrusting upward from fleshy roots late in the spring, Roscoea’s green stems are sheathed by alternate glossy foliage, while its large lobed flowers possess an otherwordly appeal. An exotic-looking genus that counts Ginger among its kin, these Tibetan and Nepalese natives appreciate a deep planting and a thick layer of mulch for winter protection.

<i>Roscoea auriculata</i> <i>Roscoea auriculata</i>

Its grass green leaves are long and lance-shaped. Held on short terminal spikes, the brilliant purple flowers resemble orchids, and display white to pale violet markings on each petal. To create intrigue, plant on the edge of the woodland garden with Heuchera, Tiarellas, and Tricyrtis.

Blooms July–September.

Size: 16" high x 16" wide.

Hardy to zone 6.

Once described by British garden author, William Robinson as possessing “...a beauty quite apart”, this rare Chinese woodland perennial lives up to its reputation as its large, openly hooded ghostlike blooms hover just above tall, lush-looking narrow leaves. Bathed in pale moonlit yellows, the exquisitely strange, yet elegant flowers impart a cool luminosity to a drift of Disporum ‘Night Heron’.

Blooms June–July.

Size: 18" high x 12" wide.

Hardy to zone 6.

<i>Roscoea purpurea</i>

Paying homage to Ginger aficionado William Roscoe, who founded the first Liverpool Botanical Garden in 1803, this Himalayan denizen bears splendid, large orchid-like vibrant purple blooms atop folded green foliage that resembles petite sweet corn leaves. Tuberous, quick-to-clump roots sustain the sturdy, low mounding stalks plus long-blooming hooded flowers. An exotic hardy member of the Ginger family, Roscoea purpurea detests hot humid weather, looks most showy when planted in swaths and lends prismatic floral delicacy to the rockery or a cool moist woodland milieu. 

Blooms July–mid September

Size: 12" high x 12" wide.

Hardy to zone 5.

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Current Staff's Favorite Plant

Current Staff's Favorite Plant

Our feature plant: Primula vulgaris ssp. sibthorpii

Precious Primulas, Prized Pulmonarias and Fabulous Foliage!

Primulas offer elaborately-crafted colorful blooms in varied shapes,……

including draped bells, candelabras, drumsticks and pincushions. Many Primrose flowers  waft a delectable scent. Second-to-none for the dappled recesses of your garden, these easily grown, cold-hardy Primulas crave well-drained, humus-rich niches with adequate moisture and good air circulation. They can grace containers or be planted in swaths along shady walkways or in woodland gardens. Be sure to peruse our online Primulas.

Prized Pulmonarias……

One of the earliest perennials to bloom, you can be picking their enchanting urn-shaped flowers in February while the rest of the garden still slumbers. Many cultivars showcase an array of mercury-hued dapples, speckles and spots, while others sport solid pewter sheens or striking silver streaks. Easy-to-grow Pulmonarias prefer the lacy light of a woodland setting plus cool moist soil. Our newsletter also includes a handful of other shade-loving perennials that promise alluring foliage. Many of these perennials can be partnered with Pulmonarias for intriguing foliar contrast. You may wish to check out our online Pulmonaria offerings.

All of us plant and paper wranglers wish you good health and happy digging!

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