Overview
Gymnocalycium mesopotamicum is a clump forming cactus succulent in the genus Gymnocalycium, part of the Cactaceae family, with evergreen foliage. Gymnocalycium mesopotamicum grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H2. Suggested uses include patio and container plants.
About
Gymnocalycium mesapotamicum is a clump-forming cactus succulent belonging to the Gymnocalycium genus, known for its spherical or cylindrical shape with ribs segmented into rounded tubercles bearing spines. This evergreen plant produces funnel-shaped blooms in early summer and thrives in well-drained loam or sandy soils with a range of pH levels. It prefers full sun exposure in sheltered positions and is suitable for patio and container planting. Hardy to UK zone H2, it is best propagated by seed sown at 19-24°C in early spring.
Growing conditions
Best soil and position for Gymnocalycium
- 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
- H2
Plant details
Gymnocalycium mesopotamicum size, habit and characteristics
- Plant type
- Cactus Succulent, Conservatory Greenhouse, Houseplants
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Gymnocalycium mesopotamicum
- Propagation
- Propagate by seed sown at 19 - 24°C in early spring
- Pest resistance
- May be susceptible to mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Gymnocalycium mesopotamicum?
Gymnocalycium mesopotamicum prefers full sun. It suits sheltered positions.
What soil does Gymnocalycium mesopotamicum need?
Gymnocalycium mesopotamicum grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Gymnocalycium mesopotamicum hardy in the UK?
Gymnocalycium mesopotamicum has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.
How do I propagate Gymnocalycium mesopotamicum?
Propagate by seed sown at 19 - 24°C in early spring.
