Overview

Stomatium agninum is a matforming cactus succulent in the genus Stomatium, part of the Aizoaceae family, with evergreen foliage. Stomatium agninum grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1c. Suggested uses include houseplants and conservatory and greenhouse.

About

Stomatium agninum is a matforming succulent cultivar within the genus Stomatium, which includes around 40 species native to South Africa. This evergreen plant features fleshy, lumpy, cone-shaped leaves and produces yellow flowers that open at night. It thrives in full sun with a sheltered aspect, preferring well-drained loam or sandy soils across a range of pH levels. Suitable for cultivation in greenhouses or as a houseplant, it requires gritty compost and can be propagated by seed or stem cuttings. Its main seasons of interest are spring and summer.

Growing conditions

Best soil and position for Stomatium

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

Stomatium agninum size, habit and characteristics

Plant type
Cactus Succulent
Habit
Matforming
Foliage
Evergreen
Suggested uses
Houseplants, Conservatory and greenhouse

Care notes

Pruning and caring for Stomatium agninum

Propagation
Seed, Stem section cuttings
Pest resistance
Mealybugs
Disease resistance
Root and stem rots

Frequently asked questions

Where is the best place to plant Stomatium agninum?

Stomatium agninum prefers full sun. It suits sheltered positions.

What soil does Stomatium agninum need?

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

Is Stomatium agninum hardy in the UK?

Stomatium agninum 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 Stomatium agninum?

Seed, Stem section cuttings.