Overview

Knautia arvensis white-flowered is a clump forming herbaceous perennial in the genus Knautia, part of the Caprifoliaceae family, with deciduous or semi evergreen foliage. Knautia arvensis white-flowered grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, wildlife gardens and flower borders and beds.

About

Knautia arvensis white-flowered is a clump-forming herbaceous perennial in the Caprifoliaceae family. This cultivar features flower heads resembling those of scabious, typical of the Knautia genus, and displays deciduous or semi-evergreen foliage. It thrives in full sun on well-drained alkaline or neutral soils such as chalk, loam, or sand, and is hardy to UK zone H7. Suitable for cottage and informal gardens, wildlife gardens, and flower borders, it provides interest during summer and autumn.

Growing conditions

Best soil and position for Knautia

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Knautia arvensis white-flowered size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous or Semi evergreen
Suggested uses
Cottage and informal garden, Wildlife gardens, Flower borders and beds

Care notes

Pruning and caring for Knautia arvensis white-flowered

Propagation
Seed in pots in a cold frame in spring,Basal softwood cuttings in spring
Pest resistance
Aphids
Disease resistance
Powdery mildews

Frequently asked questions

Where is the best place to plant Knautia arvensis white-flowered?

Knautia arvensis white-flowered prefers full sun. It suits exposed and sheltered positions.

What soil does Knautia arvensis white-flowered need?

Knautia arvensis white-flowered is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays well-drained.

Is Knautia arvensis white-flowered hardy in the UK?

Knautia arvensis white-flowered has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Knautia arvensis white-flowered?

Seed in pots in a cold frame in spring,Basal softwood cuttings in spring.

More in the Knautia genus

Browse all Knautia