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knapweed 'Amethyst on Ice' | Plant Finder | Fill My Garden

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Plants > Perennials

knapweed 'Amethyst on Ice'

Centaurea 'Amethyst on Ice'

Low Maintenance

Genus: Centaurea
Family: Asteraceae

About this plant

'Amethyst on Ice' is a herbaceous perennial up to 40cm high with broadly lance-shaped green leaves and flowerheads with white ray florets and purple central discs from late spring to late summer; Centaurea flowers are attractive to bees

Growing Information

Height

0.1-0.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayChalkLoamSandy

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Alkaline

Neutral

Moisture

Poorly Drained

Aspect

East FacingSouth FacingWest FacingNorth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in moist but well-drained soil in sun or partial shade

Pruning

No pruning required, but deadheading may help to prolong flowering

Propagation

Propagate by division in spring or autumn, or by root cuttings in winter

Pests

Generally pest-free

Diseases

Generally disease-free but may be affected by powdery mildews

Garden Uses

Uses

Ground CoverFlower BordersRock Garden

Planting Places

IndoorOutdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.5-1 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years