Overview

Centaurea montana x triumfettii is a clump forming, spreading branched herbaceous perennial in the genus Centaurea, part of the Asteraceae family, with deciduous foliage. Centaurea montana x triumfettii grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5, H7. Suggested uses include coastal, cottage and informal garden, wildlife gardens, cut flowers, flower borders and beds and ground cover.

About

Centaurea montana, the perennial cornflower, mountain cornflower, bachelor's button, montane knapweed or mountain bluet, is a species of flowering plant in the family Asteraceae, endemic to Europe. It is widespread and common in the more southerly mountain ranges of Europe, but is rarer in the north.

Growing conditions

Best soil and position for Centaurea

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H5, H7

Plant details

Centaurea montana x triumfettii size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming, Spreading branched
Foliage
Deciduous
Suggested uses
Coastal, Cottage and informal garden, Wildlife gardens, Cut flowers, Flower borders and beds, Ground cover

Care notes

Pruning and caring for Centaurea montana x triumfettii

Propagation
Seed, Division
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to downy mildews, powdery mildews, rust diseases

Frequently asked questions

Where is the best place to plant Centaurea montana x triumfettii?

Centaurea montana x triumfettii prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Centaurea montana x triumfettii need?

Centaurea montana x triumfettii is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Centaurea montana x triumfettii hardy in the UK?

Centaurea montana x triumfettii has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Centaurea montana x triumfettii?

Seed, Division.

More in the Centaurea genus

Browse all Centaurea