Overview

Thelocactus nidulans is a clump forming cactus succulent in the genus Thelocactus, part of the Cactaceae family, with evergreen foliage. Thelocactus nidulans 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 nidulans is a clump-forming cultivar of the Thelocactus genus, known for its ribbed, spiny stems that are typically globular or slightly cylindrical. This evergreen cactus produces prominent funnel-shaped flowers in summer, making it an attractive choice for patio and container planting. It thrives in full sun with well-drained, gritty soil, and prefers a sheltered position facing south or west. Suitable for cultivation in conservatories or greenhouses, it requires propagation by seed or offsets and is hardy to UK zone H1c.

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 nidulans 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 nidulans

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

Frequently asked questions

Where is the best place to plant Thelocactus nidulans?

Thelocactus nidulans prefers full sun. It suits sheltered positions.

What soil does Thelocactus nidulans need?

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

Is Thelocactus nidulans hardy in the UK?

Thelocactus nidulans 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 nidulans?

Seed, Offsets.

More in the Thelocactus genus

Browse all Thelocactus