Overview

Centaurea triumfettii is a clump forming, spreading branched herbaceous perennial in the genus Centaurea, part of the Asteraceae family, with deciduous foliage. Centaurea 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 triumfettii, the squarrose knapweed, is a species of plant belonging to the genus Centaurea of the family Asteraceae.

About the genus

Centaurea is a genus of over 700 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich.

Wikipedia contributors, "Centaurea", CC BY-SA 4.0Centaurea

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 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 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 triumfettii?

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

What soil does Centaurea triumfettii need?

Centaurea 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 triumfettii hardy in the UK?

Centaurea 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 triumfettii?

Seed, Division.

More in the Centaurea genus

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