Overview

Orbea ubomboensis is a clump forming cactus succulent in the genus Orbea, part of the Apocynaceae family, with evergreen foliage. Orbea ubomboensis grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1b. Suggested uses include patio and container plants and low maintenance.

About

Orbea ubomboensis is a clump-forming succulent perennial in the genus Orbea, known for its fleshy stems with prominent angular teeth and evergreen habit. This cactus succulent thrives in full sun and well-drained gritty soil, making it suitable for patio and container planting under sheltered conditions. It flowers in summer and autumn, producing funnel-shaped blooms that emit a strong, unpleasant odour. Hardy to UK zone H1b, it prefers a south-, north-, or east-facing aspect and can be propagated by seed sown in early spring or by stem cuttings after flowering.

Growing conditions

Best soil and position for Orbea

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

Plant details

Orbea ubomboensis size, habit and characteristics

Plant type
Cactus Succulent
Habit
Clump forming
Foliage
Evergreen
Suggested uses
Patio and container plants, Low Maintenance

Care notes

Pruning and caring for Orbea ubomboensis

Propagation
Seed sown at 19-24°C in early spring, Stem cuttings after flowering
Pest resistance
Mealybugs
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Orbea ubomboensis?

Orbea ubomboensis prefers full sun. It suits sheltered positions.

What soil does Orbea ubomboensis need?

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

Is Orbea ubomboensis hardy in the UK?

Orbea ubomboensis 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 Orbea ubomboensis?

Seed sown at 19-24°C in early spring, Stem cuttings after flowering.