Thread-leaf Blue Star

Amsonia hubrichtii
photo: amy_b

Amsonia

<i>Amsonia hubrichtii</i>

Too long ignored, this hard-to-find perennial adds pleasing texture to the border and delicacy to a bouquet. In early summer, bushy clumps of elegant, upright stems are crowned with steel blue buds and starry gray-blue flowers held in graceful umbels.

We are especially captivated by the willowy needlelike leaves, which eventually burnish to a brilliant gold, and together with the persistent chocolate-hued seed heads, bestow a rich autumn show. A southwestern U.S. native, Blue Star is undemanding and long-lived in any garden soil.

Blooms June–July.

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

Hardy to zone 4.

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Other selections in this genus:

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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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