Genus Information
Sun Requirements
Centaurea montana can handle either an exposed or a sheltered position and can cope with either full sun or partial shade.Hardiness
Perennial cornflower is fully hardy.
Growth Information
Centaurea montana is quite a fast grower and in the right conditions will reach its full size in 2-5 years. It can reach heights of up to 0.5m and will spread up to 1m.
Flowering
Centaurea montana produces purple and blue flowers. These flowers will be produced between May to July .
Foliage
Perennial cornflower is a deciduous plant and produces green foliage you should deadhead this plant regularly to promote new flowers coming through.
Wildlife, Pests and Diseases
Centaurea montanais generally pest free, it can also be vulnerable to certain diseases such as Powdery mildews. Also known to attract bees, butterflies and other pollinators but is not considered to be toxic.
Soil Requirements
Perennial cornflower requires a soil that stays slightly wet, but also has decent drainage and it can be planted in soil of any pH.

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