Silky aster is a drought-tolerant perennial native to the central plains of North America, where it thrives in dry, rocky places from Michigan and Manitoba south to Texas and New Mexico. This hardy wildflower grows 12 to 24 inches tall and produces a profusion of daisy-like flowers from late August through October, each bloom reaching about 1.5 inches across. Cold-hardy through zone 4, it asks little once established: full sun, moderate water, and well-drained soil with a pH between 6.0 and 8.0 are all it needs. The showy flowers are a butterfly magnet, making this species a natural choice for meadows, prairies, and native plant gardens where low maintenance is a priority.
18
Full Sun
Moderate
4-8
24in H x 24in W
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Moderate
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Native to the dry grasslands and rocky bluffs of central North America, silky aster delivers abundant, cheerful daisy-like flowers from late summer into fall when many other perennials are fading. It tolerates drought and shallow, rocky soil with ease, yet still attracts butterflies and other pollinators despite its undemanding nature. This low-maintenance perennial readily self-seeds, rewarding gardeners with new plants year after year without fussy deadheading or division.
Silky aster is used primarily for naturalizing in native plant gardens, meadows, and prairie restorations where it establishes easily and requires minimal ongoing care. Its abundant fall flowers make it valuable in pollinator gardens, particularly for attracting butterflies during the crucial late-season period when other nectar sources are scarce. Gardeners also value it for xeriscaping and dry-site plantings where water conservation is important.
No timeline data available yet for this variety.
Start seeds indoors 6 to 8 weeks before the last spring frost. Sow on the surface of moist seed-starting mix and cover lightly or not at all, as seeds need light to germinate. Keep soil temperature between 50 and 70 degrees Fahrenheit. Germination typically occurs within 10 to 14 days.
Harden off seedlings for 7 to 10 days before transplanting outdoors after the last frost date. Space plants 12 to 24 inches apart to account for their mature spread. Transplant in spring or early summer to give plants time to establish before their first bloom season.
Silky aster self-seeds readily in the garden and can be direct-sown in fall (for spring germination) or spring (for summer germination). Scatter seeds on prepared soil and press lightly into contact; they do not need to be covered.
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“Silky aster is a native species of the central North American plains, historically found in the open woodlands, bluffs, prairies, and glades stretching from Michigan, Ontario, and Manitoba in the north down through Ohio, Missouri, Texas, and New Mexico. Its range reflects the vast grassland ecosystems that once dominated this region, where it evolved to thrive in the harsh conditions of dry, rocky soils. For centuries, this wildflower was part of the indigenous plant communities that supported prairie ecosystems, and today it remains a cornerstone species for native plant gardeners and conservation efforts working to restore these vanishing landscapes.”