Montana Blue

Centaurea montana

£5.50

Plant profile · availability to be confirmed

Discover the effortless charm of Montana Blue Cornflower, a hardy perennial that thrives in virtually any garden setting with minimal care required. Bursting with vibrant blue, pink, and purple blooms from spring through early summer, this clump-forming beauty is perfect for cottage gardens, meadows, and wildlife spaces—adapting beautifully to full sun or partial shade and tolerating exposed conditions. At just 45cm tall and spreading to 60cm, it's an ideal front-to-middle border plant that requires only free-draining soil, making it a versatile, low-maintenance choice for gardeners of all skill levels.

A CLOSER LOOK

Plant details.

LifecyclePerennial
HabitSpreading
ScentNone
Foliage typeDeciduous

Suitability: Borders, Coastal gardens, Cottage gardens, Cut flower gardens, Ground cover, Wildlife gardens
Position: Border | Front, Border | Middle, Cutting Garden, Ground Cover
Light: Full sun, Partial shade
Soil moisture: Free draining, Moist
Soil acidity: Neutral, Acid, Alkaline
Soil type: Chalk, Clay, Loam, Sandy
Hardiness: H7 [-20] Very Hardy | Very cold winter
Time to maturity: 2–5 Years
Exposure: Exposed, Sheltered
Mature height: 0.1–0.5 m
Mature spread: 0.5–1 m
Foliage colour: Green
Flower colour: Blue, Pink, Purple
Growing skill: Easy
Genus: Centaurea | Cornflower
Aspect: North, East, South, West

Through the seasons

A year at a glance

Flowering

Apr–Jun

In leaf

Mar–Sep

Filled months show recorded activity. Timing can vary with climate and growing conditions; unfilled months are not recorded.

GETTING TO KNOW YOUR PLANT

A happy plant
starts here.

Every plant grows a little differently. Your new arrival’s shape and size may vary from the photograph.

Growing conditions+

Position: Full sun, Partial shade. Soil: Moist but well-drained.

Winter hardiness+

RHS rating: H7 (UK growing conditions). See the source profile for cultivation advice.

Plant information sources+

Growing details checked against the sources below. Ultimate size depends on growing conditions.

RHS · Centaurea montana

THE GREENHOUSE JOURNAL

Life with Montana Blue.

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Montana Blue