Centaurea montana
perennial cornflower
Flower Colors
Description
A rhizomatous, mat-forming perennial about 45cm tall, with simple or lobed leaves, hairy beneath, and blue flower-heads 5cm across, reddish in the centre, from late spring to summer
Mature Height
0.5m
Mature Spread
1m
Plant Characteristics
Foliage
Deciduous
Growth Habit
Spreading
Growth Speed
Slow · 0.1 m/yr
Soil Texture
ChalkClayLoamSand
Soil pH
AcidAlkalineNeutral
Soil Moisture
Moist but well-drained
Hardiness (RHS)
H7
Hardiness (USDA)
Zones 3-8
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Generally pest-freeCoastalCottage and informal gardenWildlife gardensCut flowersFlower borders and bedsGround cover