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Centaurea montana: Mountain Bluet for Borders

Centaurea montana – Blue Spidery Flowers, Silvery Foliage

Mountain bluet is excellent for borders or rock gardens. Blue flowers open from attractive buds late spring to midsummer, leaving vigorous silvery-green woolly foliage and stems. Self-seeds readily.

Culture

Moist soil in sun or partial shade. Easy to divide in fall if crowding. May need staking. Propagate by division in fall. Pests: white mold, rust, mildews, thread blight, Southern blight.

Quick Reference

Height/Spread: 1–3 ft.
Light: Full sun to part shade
Moisture: Medium
Bloom: Spring to summer (blue)
Features: Self-seeds, silvery foliage

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