Overview
Stetsonia coryne is a plant with a columnar, tree-like habit in the genus Stetsonia, part of the Cactaceae family, with deciduous foliage. Stetsonia coryne grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1b. Suggested uses include specimen plant, conservatories and greenhouses.
About
Stetsonia coryne, commonly known as the toothpick cactus, is a columnar, tree-like cactus belonging to the family Cactaceae. This deciduous plant thrives in full sun and is best suited to a south-facing, exposed position with fertile, well-drained loam soil of neutral pH. It is hardy to UK zone H1b, making it ideal for cultivation in conservatories or greenhouses as a striking specimen plant. Interest in Stetsonia coryne is particularly notable during spring and summer, and it can be propagated from seed or stem cuttings.
Growing conditions
Best soil and position for Stetsonia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Exposed
- UK hardiness
- H1b
Plant details
Stetsonia coryne size, habit and characteristics
- Habit
- Columnar, tree-like
- Foliage
- Deciduous
- Suggested uses
- Specimen plant, conservatories, greenhouses
Care notes
Pruning and caring for Stetsonia coryne
- Propagation
- Seed, stem cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Stetsonia coryne?
Stetsonia coryne prefers full sun. It suits exposed positions.
What soil does Stetsonia coryne need?
Stetsonia coryne grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Stetsonia coryne hardy in the UK?
Stetsonia coryne has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Stetsonia coryne?
Seed, stem cuttings.