Hypericum

St. John´s Wort

<i>Hypericum androsaemum</i>

Native to western Europe and North Africa, this handsome species’ common name comes from toute-saine (heal-all) and refers to the many healing properties the plant was once supposed to possess. Interesting throughout the year, Tutsan is a cure-all for lightly shaded garden areas that need some brightening up. The wine-infused stems and deep green foliage contrast beautifully with cheerful golden yellow flowers in summer, and later with glossy red berries, which eventually turn black. The weight of the fruit causes the branches to arch, giving the plant a relaxed look and making it perfect for shrubby borders.

Tutsan also does well in the sun, planted with Lavenders. In late summer, its colors make a striking combination with Nepeta ‘Wild Cat’ and Buddleja ‘Ellen’s Blue’.

Blooms June–early August.

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

Hardy to zone 6.

In an ebullient “sunburst,” large 3 in. wide yellow petals cushion a spry central cluster of stamens that look like orange powder puffs. Dense stout branches plus oblong curvy leaves with soothing glaucous blue hues shape a compact round mound, revealing narrow reddish brown seed capsules through autumn and exfoliating purplish brown bark for winter appeal. Indigenous to our South-eastern limestone glades, this tailored semievergreen Hypericum can be massed or sited singularly in the mixed border where it triumphs over dry compacted soil and clay.

Blooms June-August

Size: 3' 0" – 4' 0" high x 3' 0" – 4' 0" wide.

Hardy to zone 5.

Enticing butterflies, florists and all who behold it, this newly introduced compact shrub makes an ebullient statement. The resilient well-branched frame is characterized by sturdy upright red-tinged stems and comely medium green foliage that remains evergreen during mild winters. Hosting big round golden buds, decorative pale green calyces, flashy yellow starbursts of bloom with prominent stamens plus plump, bright red berries, ‘Compact Red’ keeps us mesmerized for months. Acquiescent to sunny sites, it’s tailor-made for gardens short on space, mixed borders or patio containers.

Blooms June–mid September

Size: 18" – 2' 0" high x 18" – 2' 0" wide.

Hardy to zone 6.

Selected from our native American species, this exciting relatively new Danish cultivar premiers droves of small yet radiant yellow blooms with dense showy stamens, resembling miniature golden starbursts. Handsome bright green willow-shaped foliage and close-knit branches craft a neat bushy shrub that can be utilized as a low informal hedge or a stylish mounding ground cover. Small growing, sturdy and reliable, 'Gemo' delivers ample doses of flowery good cheer for months at a time followed by decorative pointed seed pods for added intrigue, while Geranium 'Walküre' and Aster divaricatus make worthy companions

Blooms June – September.

Size: 2' 0" – 3' 0" high x 2' 0" – 3' 0" wide.

Hardy to zone 5.

<i>Hypericum kouytchense</i> <i>Hypericum kouytchense</i>

This truly elegant Hypericum is covered with an abundance of large, bright yellow, pointed buds, followed by golden yellow flowers whose prominent long stamens seem to sparkle. Against a background of smooth blue-hued leaves, the bright red berries and starlike calyxes make a colorful late season display. Though deciduous elsewhere, along our coast the aromatic leaves fill the garden with their scent all year round.

Blooms June–September.

Size: 3' 0" high x 2' 0" wide.

Hardy to zone 5.

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Current Staff's Favorite Plant

Current Staff's Favorite Plant

Helianthus 'Sheila's Sunshine', Persicaria 'Summer Dance', and Selinum wallichianum

Helianthus ‘Sheila’s Sunshine - P-0461

The sunflower was once an emblem of the Sun God of the Incas. Our sunflowers tolerate a wide range of garden soils, attract bees, and make great cut flowers. Blooms early August – October.

Persicaria ‘Summer Dance’ - P-1312

With foliage that’s close to lime-green, and spiky floral tails that approach the scarlet spectrum of rosy pink, this slow spreading perennial is sure to please. Happiest in semishade with ample moisture. Blooms August–November.

Selinum wallichianum - P-1406

This refined Himalayan beauty happens to be one of our favorite perennial umbellifers. With untold elegance, infinitely divided leaves craft a delicate, lacelike transparency. The compact yet airy green canopy is framed by distinctive, purple-infused branching stems that elevate a charming, late season display of white flattened umbels.

Subduing the riotous array of summertime blooms, it seldom needs staking, and appreciates a well draining moist niche. Blooms June–August.

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