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Perennial Cornflower

Perennial Cornflower

Centaurea montana

herbaceous☀️ full sun💧 low waterZone 3a – Zone 8b

A hardy perennial with large, shaggy blue-purple flowers that bloom over a long season. It thrives in sunny spots and is drought-tolerant once established, making it excellent for rock gardens and borders.

Overview

Form
Mounding
Growth Rate
moderate
Size
1.5–2.5′ tall × 1.5–2′ wide
Dormancy
deciduous

Tolerances & Soil

moderate
Zone 3aZone 8b
1471013
ColderWarmer
Zone range: Zone 3a to Zone 8b

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Herb

Soft non-woody plants of the field layer.

Succession Role

early successional

Native Range

European mountains (Alps and Pyrenees)

Function & Care

pollinator nectarywildlife benefit

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed, division

Companion Planting

Plants well with