Overview

Thelocactus phymatothelos is a clump forming cactus succulent in the genus Thelocactus, part of the Cactaceae family, with evergreen foliage. Thelocactus phymatothelos 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 phymatothelos is a clump-forming cultivar of the Thelocactus genus, a group of cacti known for their ribbed, spiny stems that are typically globular or slightly cylindrical. This evergreen succulent thrives in full sun and is best suited to sheltered, south- or west-facing positions. It prefers well-drained loam or sandy soils with a range of pH levels from acid to alkaline. Ideal for patio and container planting, it is hardy to UK zone H1c and produces prominent funnel-shaped flowers in spring and summer when grown in a conservatory or greenhouse.

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 phymatothelos 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 phymatothelos

Propagation
Seed, Offsets
Pest resistance
Mealybugs
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Thelocactus phymatothelos?

Thelocactus phymatothelos prefers full sun. It suits sheltered positions.

What soil does Thelocactus phymatothelos need?

Thelocactus phymatothelos grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Thelocactus phymatothelos hardy in the UK?

Thelocactus phymatothelos 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 phymatothelos?

Seed, Offsets.

More in the Thelocactus genus

Browse all Thelocactus