Pincushion flower (Scabiosa caucasica) is a clump-forming perennial native to the Caucasus Mountains that brings two to three inch blooms in lavender, blue, or occasionally white from May through September. Hardy in zones 3 through 7, this low-maintenance plant reaches 18 to 24 inches tall and thrives in full sun with moderate water once established. The distinctive flowers feature a frilly outer ring of petals surrounding a cushioned center with protruding stamens that genuinely resemble pins in a pincushion, making each bloom a architectural marvel that butterflies and hummingbirds find irresistible.
Full Sun
Moderate
3-7
24in H x 18in W
—
High
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The showy, pincushion-like flowers appear continuously from late spring through summer on strong, stiff stems that rise above grayish-green foliage, making them excellent for cutting arrangements. These blooms are deer resistant and drought tolerant once established, so they thrive in lean, well-drained soils where other perennials struggle. Cool-climate gardeners will find this plant performs best, particularly in regions like the Pacific Northwest where summers stay mild; it dislikes the heat and humidity of the deep South.
Pincushion flowers serve as showstoppers in cottage gardens and perennial borders, where their extended bloom season provides color from late spring through the first frost. The sturdy stems and long vase life make them exceptional cut flowers for arrangements, and their nectar-rich blooms draw butterflies and hummingbirds to the garden throughout the growing season, supporting pollinator populations.
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Start seeds indoors in peat pots or cell packs 4 to 6 weeks before the last spring frost. Germination occurs when soil temperature reaches 60 to 70 degrees Fahrenheit. Seed may also be sown directly in the ground in spring or fall in mild winter climates.
Transplant seedlings outdoors after the last frost when soil has warmed. Space plants 12 to 18 inches apart to allow for their mature spread. Harden off indoor-started seedlings gradually before planting.
Seed may be sown directly in the ground in spring once soil has warmed, or in fall in mild winter climates.
Remove spent flower heads throughout the bloom season to encourage continuous flowering. Cut back large stems to the base in late fall or early spring to promote fresh growth from the base of the plant and maintain a tidy appearance.
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“Scabiosa caucasica takes its name from the Caucasus Mountains, where it grows naturally on mountain slopes and rocky terrain. The genus name Scabiosa itself derives from the Latin word scabies, meaning 'the itch,' because the plant's rough leaves were historically believed to cure scurvy and various skin ailments. This reputation as a medicinal herb helped spread the plant across Europe and eventually into gardens worldwide, where gardeners valued it as much for its medicinal properties as for its extraordinary flowers.”