Dwarf Blue Star is a compact cultivar of eastern bluestar, a native wildflower beloved for its ethereal star-shaped flowers in soft light blue. This 'Short Stack' selection reaches just 9 to 12 inches tall with a 12 to 18 inch spread, making it far more manageable than its 2 to 3 foot parent species while retaining all the charm. The narrow, willow-like foliage emerges fresh green in spring, then transforms to golden yellow in fall. In late spring, delicate pyramidal flower clusters appear atop compact stems, followed by the plant's reliable, low-maintenance performance in zones 5 through 9. Unlike many perennials that demand constant attention, Dwarf Blue Star thrives on neglect, tolerating drought and clay soils while resisting deer browsing entirely.
Partial Sun
Moderate
5-9
12in H x 18in W
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Moderate
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The magic of this variety lies in its dwarf stature without sacrifice of flower quality or seasonal color change. You get full-sized, showy blue star flowers on a plant that fits neatly into borders, containers, and small gardens where the species would overwhelm. It needs no staking even in partial shade, no fussy pruning, and no supplemental water once established. The transition from spring's soft blue blooms to autumn's warm yellow foliage gives you two distinct seasons of ornamental interest packed into a footprint that measures barely a foot tall.
Dwarf Blue Star excels as a rain garden plant, thriving in the moist periods and tolerating the drier spells that define such gardens. Its low stature makes it valuable for the front of perennial borders, where it won't shade out neighboring plants. The sturdy flowers are excellent for cutting, bringing those cool blue tones and delicate structure into arrangements. In containers and small spaces, it offers season-long interest without requiring deadheading or constant maintenance.
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Start seeds indoors 6 to 8 weeks before your last spring frost. Sow seeds in sterile seed-starting mix at a soil temperature of 60 to 75°F. Keep the medium consistently moist but not waterlogged. Seeds typically germinate within 2 to 3 weeks under these conditions.
Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Transplant after your last spring frost when soil temperatures have warmed to at least 60°F. Space plants 12 to 18 inches apart to accommodate their mature width.
For plants grown in full sun, pruning is unnecessary; the compact habit remains neat without intervention. For plants grown in partial shade or in very rich soils where they develop a looser, more open form, cut back stems by one-half to one-third after flowering to promote denser, bushier growth and improve overall appearance.
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