Centaurea montana--Mountain Bluet, Perennial Cornflower

OHI The editors of Old-House Interiors magazine

Centaurea montana--Mountain Bluet, Perennial Cornflower

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These are easy to grow plants with purple-blue, rose, or white flowers. The plant grows one and one-half feet tall and can rapidly spread to become a weed. Some support may be required to keep plants from flopping over.

The plants are propagated by seed or division with division preferred. Cuttings may be started in September. Division is done in the spring. Early blooming centaureas are divided in autumn and late bloomers in spring. The seed germinates in 3 to 4 weeks at 65 to 70 degrees and is usually planted directly into the garden. Basal growths may be rooted in June and July.

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