Overview

Stapelia grandiflora is a clump forming, trailing, spreading branched cactus succulent in the genus Stapelia, part of the Apocynaceae family, with evergreen foliage. Stapelia grandiflora grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1b. Suggested uses include houseplants, sub-tropical and conservatory and greenhouse.

About

Stapelia grandiflora is a succulent perennial cultivar of the Stapelia genus, known for its upright, angular stems with toothed edges. This clump-forming and spreading plant produces large, star-shaped flowers in summer, which are notable for their strong and often unpleasant aroma. Evergreen in nature, it thrives in full sun with well-drained loam or sandy soils of varying pH. Best suited to sheltered, south- or east-facing aspects, it is ideal for cultivation in sub-tropical environments, conservatories, or as a houseplant, requiring gritty soil and propagation through seed or stem cuttings.

Growing conditions

Best soil and position for Stapelia

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, East-facing
Exposure
Sheltered
UK hardiness
H1b

Plant details

Stapelia grandiflora size, habit and characteristics

Plant type
Cactus Succulent
Habit
Clump forming, Trailing, Spreading branched
Foliage
Evergreen
Suggested uses
Houseplants, Sub-tropical, Conservatory and greenhouse

Care notes

Pruning and caring for Stapelia grandiflora

Propagation
Seed, Removal of rooted sections, Stem section cuttings
Pest resistance
Mealybugs
Disease resistance
Black root rot, Stem and root rots in wet conditions

Frequently asked questions

Where is the best place to plant Stapelia grandiflora?

Stapelia grandiflora prefers full sun. It suits sheltered positions.

What soil does Stapelia grandiflora need?

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

Is Stapelia grandiflora hardy in the UK?

Stapelia grandiflora 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 Stapelia grandiflora?

Seed, Removal of rooted sections, Stem section cuttings.

More in the Stapelia genus

Browse all Stapelia