Overview
Melocactus pachyacanthus is a plant with a globular habit in the genus Melocactus, part of the Cactaceae family, with spiny foliage. Melocactus pachyacanthus grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include conservatory and greenhouse.
About
Melocactus pachyacanthus is a globular cactus cultivar belonging to the genus Melocactus in the family Cactaceae. It features spiny foliage and thrives in full sun, ideally in a south-facing, sheltered position. This plant prefers well-drained, neutral loam soil with dry moisture conditions. Suitable for cultivation in conservatories or greenhouses, it requires watering during establishment. It is hardy to UK zone H4 and is best propagated by seed. The plant is particularly interesting during spring and summer seasons.
Growing conditions
Best soil and position for Melocactus
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Dry
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Melocactus pachyacanthus size, habit and characteristics
- Habit
- Globular
- Foliage
- Spiny
- Suggested uses
- Conservatory, greenhouse
Care notes
Pruning and caring for Melocactus pachyacanthus
- Propagation
- Seed
- Pest resistance
- Mealybugs, spider mites
- Disease resistance
- Root rot
Frequently asked questions
Where is the best place to plant Melocactus pachyacanthus?
Melocactus pachyacanthus prefers full sun. It suits sheltered positions.
What soil does Melocactus pachyacanthus need?
Melocactus pachyacanthus grows best in loam soil. It prefers neutral soil. Aim for soil that stays dry.
Is Melocactus pachyacanthus hardy in the UK?
Melocactus pachyacanthus has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Melocactus pachyacanthus?
Seed.
