Overview
Thelocactus beguinii is a clump forming cactus succulent in the genus Thelocactus, part of the Cactaceae family, with evergreen foliage. Thelocactus beguinii 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 beguinii is a clump-forming cactus cultivar within the Thelocactus genus, known for its ribbed, spiny stems that are globular or slightly cylindrical. This evergreen succulent produces prominent funnel-shaped flowers during the summer, making it an attractive choice for patio and container planting. It thrives in full sun with well-drained gritty soil, preferring a sheltered, south or west-facing aspect. Suitable for cultivation in loam or sandy soils of various pH levels, it is best grown under glass in the UK due to its H1C hardiness rating. Propagation is typically by seed or offsets.
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 beguinii 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 beguinii
- Propagation
- Propagate by seed or offsets
- Pest resistance
- May be susceptible to mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Thelocactus beguinii?
Thelocactus beguinii prefers full sun. It suits sheltered positions.
What soil does Thelocactus beguinii need?
Thelocactus beguinii grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Thelocactus beguinii hardy in the UK?
Thelocactus beguinii 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 beguinii?
Propagate by seed or 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 bicolor var. albiflora