Overview
Thelocactus buekii is a clump forming cactus succulent in the genus Thelocactus, part of the Cactaceae family, with evergreen foliage. Thelocactus buekii grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1c. Suggested uses include patio and container plants.
About
Thelocactus buekii is a clump-forming cultivar of the Thelocactus genus, known for its ribbed, spiny stems and prominent funnel-shaped flowers. This evergreen cactus thrives in full sun and prefers a sheltered aspect, such as south- or west-facing positions. It grows best in well-drained, gritty soil composed of loam or sand, tolerating a range of soil pH levels from acid to alkaline. Suitable for patio and container planting, it is hardy to UK zone H1c and is typically cultivated in conservatories or greenhouses. Propagation is achieved through seed or offsets, with summer being the season of interest.
Growing conditions
Best soil and position for Thelocactus
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H1c
Plant details
Thelocactus buekii size, habit and characteristics
- Plant type
- Cactus Succulent, Houseplants, Conservatory Greenhouse
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Thelocactus buekii
- Propagation
- Seed, Offsets
- Pest resistance
- Mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Thelocactus buekii?
Thelocactus buekii prefers full sun. It suits sheltered positions.
What soil does Thelocactus buekii need?
Thelocactus buekii grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Thelocactus buekii hardy in the UK?
Thelocactus buekii has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.
How do I propagate Thelocactus buekii?
Seed, Offsets.
More in the Thelocactus genus
- Thelocactus bicolor subsp. heterochromus
- Thelocactus bicolor var. texensis
- Thelocactus bicolor var. tricolor
- Thelocactus conothelos
- Thelocactus matudae
- Thelocactus nidulans
- Thelocactus phymatothelos
- Thelocactus beguinii