Overview
Mammillaria karwinskiana is a clump forming cactus succulent in the genus Mammillaria, part of the Cactaceae family, with evergreen foliage. Mammillaria karwinskiana 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
Mammillaria karwinskiana is a clump-forming cactus succulent belonging to the Mammillaria genus, known for its spherical or columnar spiny forms and distinctive tubercles. This evergreen plant thrives in full sun and is suited to sheltered positions with well-drained loam or sandy soils of varying pH. It is hardy to UK zone H2 and is typically grown in conservatories or greenhouses, making it ideal for patio and container planting. The plant produces funnel-shaped flowers arranged in a circle at the top of the stems during summer, adding seasonal interest.
Growing conditions
Best soil and position for Mammillaria
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing, North-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
Mammillaria karwinskiana size, habit and characteristics
- Plant type
- Cactus Succulent, Conservatory Greenhouse
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Mammillaria karwinskiana
- Propagation
- Seed, Offsets
- Pest resistance
- Mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Mammillaria karwinskiana?
Mammillaria karwinskiana prefers full sun. It suits sheltered positions.
What soil does Mammillaria karwinskiana need?
Mammillaria karwinskiana grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Mammillaria karwinskiana hardy in the UK?
Mammillaria karwinskiana 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 Mammillaria karwinskiana?
Seed, Offsets.
More in the Mammillaria genus
- Mammillaria albicans subsp. fraileana
- Mammillaria duwei
- Mammillaria felipensis
- Mammillaria pectinifera
- Mammillaria pseudoperbella
- Mammillaria rhodantha
- Mammillaria sanchez-mejoradae
- Mammillaria sonorensis
