A popular clustering globular cactus covered in spiralled spined tubercles, ringed in spring with a crown of small pink, white or yellow flowers. One of the easiest and most rewarding cacti for beginners.
At a glance
- Plant type: Succulent
- Mature size: 15 cm H × 20 cm W
- Aspect: full sun
- Water: very drought tolerant once established
- Frost: tender
- Maintenance: low maintenance
- Origin: Exotic
About Pincushion Cactus
Botanically, Mammillaria spp. is a slow-growing succulent in the Cactaceae family. It reaches around 15 cm tall and 20 cm wide at maturity, with evergreen foliage. Pink, white and yellow flowers appear in spring.
Where to grow Pincushion Cactus
Pincushion Cactus suits arid and semi-arid, Mediterranean and warm-temperate climates and grows best in full sun. It is frost tender, so protect it from hard frosts or grow it in a sheltered spot or pot. It also is a genuinely water-wise choice.
Soil & planting
Pincushion Cactus does best in sandy and free-draining soil. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool.
Watering & feeding
Pincushion Cactus handles dry conditions well once established. Refresh mulch and provide a modest balanced feed at the start of spring. Keep a newly planted specimen evenly watered through its first season; established plants can then follow the water needs above.
Pruning & care
Prune Pincushion Cactus after flowering to keep it compact and encourage the next flush of blooms. Overall it is low maintenance.
Using Pincushion Cactus in the garden
Pincushion Cactus earns its place for pots and courtyard containers and a feature or specimen planting. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Combine Pincushion Cactus with plants that share its preference for very drought tolerant and arid and semi-arid climate. Use an odd-numbered group where space allows, or repeat it at intervals through a longer bed.
Good to know
It is thorny — useful as a barrier, but wear gloves when pruning.
Buying Pincushion Cactus
Plant Sale lists Pincushion Cactus as potted plants. Current stock is confirmed manually, so register interest above before planning around a specific size.