Perennial cornflower (Centaurea montana) is a perennial plant that can grow 10cm – 50cm tall and 50cm – 1.5m wide.
This plant has several common names including: perennial cornflower, great blue-bottle, mountain bluet or mountain centaury.
This is a deciduous plant that takes 2-5 years to reach full maturity.
Plant profile
Common name: perennial cornflower, great blue-bottle, mountain bluet, mountain centaury
Scientific name: Centaurea montana
Plant type: Perennials
Habit: Spreading / Branched
Height: 10cm – 50cm
Spread: 50cm – 1.5m
Foliage: Deciduous
Sunlight: Full Sun, Partial shade
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained
Garden type: Coastal, Informal Garden, Wildflower meadow, Wildlife Gardens
Planting type: Cut Flowers, Flower borders and bedding
Other characteristics: Plants for pollinators
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |

How to plant Perennial cornflower (Centaurea montana) – Photo: Bff / Wikimedia Commons

Cultivation profiles – Growing Perennial cornflower (Centaurea montana) – Hanna Zelenko, CC BY-SA 3.0, via Wikimedia Commons



