Overview
Berkheya radula is a bushy herbaceous perennial in the genus Berkheya, part of the Asteraceae family, with deciduous foliage. Berkheya radula grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include coastal, gravel garden and cottage and informal garden.
About
Berkheya radula is a bushy, herbaceous perennial belonging to the genus Berkheya, known for its spiny, pinnately divided foliage. This deciduous plant thrives in full sun and is best suited to south- or west-facing, sheltered positions. It prefers fertile, well-drained soils, including chalk, clay, or loam, and can tolerate a range of pH levels from acid to alkaline. Flower heads resembling daisies appear in spring and summer, adding seasonal interest. Hardy to UK zone H4, Berkheya radula is suitable for coastal, gravel, cottage, and informal gardens and can be propagated by seed or division.
About the genus
Berkheya is a genus of flowering plants in the family Asteraceae. It is distributed in tropical Africa, especially in southern regions. Of about 75 species, 71 can be found in South Africa.
Wikipedia contributors, "Berkheya", CC BY-SA 4.0 — Berkheya
Growing conditions
Best soil and position for Berkheya
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Berkheya radula size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Suggested uses
- Coastal, Gravel garden, Cottage and informal garden
Care notes
Pruning and caring for Berkheya radula
- Propagation
- Propagate by seed or by division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Berkheya radula?
Berkheya radula prefers full sun. It suits sheltered positions.
What soil does Berkheya radula need?
Berkheya radula is adaptable and grows happily in most soil types, including chalk, clay and loam. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Berkheya radula hardy in the UK?
Berkheya radula has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Berkheya radula?
Propagate by seed or by division.
More in the Berkheya genus
- Berkheya cirsiifolia
- Berkheya macrocephala
- Berkheya purpurea
- Berkheya purpurea 'Zulu Warrior'purple burkheya 'Zulu Warrior'
- Berkheya adlamii