Overview
Ascyrum hypericoides is a plant with a clump forming habit in the genus Ascyrum, part of the Clusiaceae family, with deciduous foliage. Ascyrum hypericoides grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden.
About
Ascyrum hypericoides, commonly known as St Andrew's cross, is a clump-forming deciduous plant from the Clusiaceae family. It thrives in full sun with a south-facing, sheltered aspect and prefers fertile, moist but well-drained loam soil of neutral pH. Hardy to UK zone H4, this cultivar is best suited to cottage and informal gardens. It is notable for its interest in spring and summer and can be propagated by rhizome division.
Growing conditions
Best soil and position for Ascyrum
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Ascyrum hypericoides size, habit and characteristics
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden
Care notes
Pruning and caring for Ascyrum hypericoides
- Propagation
- Rhizome division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Ascyrum hypericoides?
Ascyrum hypericoides prefers full sun. It suits sheltered positions.
What soil does Ascyrum hypericoides need?
Ascyrum hypericoides grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Ascyrum hypericoides hardy in the UK?
Ascyrum hypericoides 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 Ascyrum hypericoides?
Rhizome division.