Also known as
Great Blue-Bottle, Cornflower, Mountain Bluet, Mountain Centaury, Mountain Cornflower, Mountain Knapweed, Montane Knapweed, Mountain Starthistle
2 years to reach maturity
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Perennial Cornflower Overview
Centaurea montana is a perennial species in the daisy family, Asteraceae (Asteraceae). It has simple leaves which may be entire or have lobes and the undersides are covered in hairs. Attractive, interesting blue flowers are produced from late spring through to summer, these tend towards a purple-red colour in the centre and have whispy, thin petals which taper to multiple, feathery points at the ends. This species has earnt a Royal Horticultural Society (RHS) Award of Garden Merit. It is also part of the RHS “Plants for Pollinators” initiative to showcase plants which support pollinator populations by providing ample amounts of nectar and/ or pollen. A great choice for encouraging pollinating insect wildlife into your garden!
Common problems with Perennial Cornflower
How to propagate Perennial Cornflower
Divide in spring or autumn.
Special features of Perennial Cornflower
Attracts useful insects
Honeybees, solitary bees, bumblebees, hoverflies, moths, butterflies
Other uses of Perennial Cornflower
Border, naturaliser, cutting bed, rock-garden. Spring/summer interest. This plant suits being included in planting schemes for exposed or sheltered locations with any (north, south, east or west-facing) aspects
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