February 1, 2023
Centaurea montana

Centaurea montana

Centaurea montana is also known as the Cyanus montana, Perennial Cornflower, Mountain Bluet, Mountain Century, Mountain Cornflower, Bachelor’s Button, Montane Knapweed, or Great Blue-bottle. It is part of the Asteraceae family of plants. Centaurea montana is a rhizomatous perennial. It is native to Europe. It grows in the mountains of Southern Europe. The name montana also refers to the mountains.

Centaurea montana
Centaurea montana at Kew Garden, London, UK

Centaurea montana can grow to 70cm or 28in tall. Unlike the Centaurea cyanus which is annual, Centaurea montana is a perennial and usually has a single flower head rather than 2 or 3 C. cyanus. Centaurea montana flowers in spring and summer.

Centaurea montana
Centaurea montana

Plant Centaurea montana in any type of soil, acid, or alkaline, moist but well-drained, locate it in the sun. It can tolerate partial shade, especially if planted under any deciduous trees as it can still absorb and store nutrients from the sun during winter months. Centaurea montana tolerated drought but not waterlogged conditions. Propagate by seed or by division in autumn. Centaurea montana is generally pest-free, but watch out for powdery mildew.

Also read about Centaurea cyanus

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