Thelocactus hexaedrophorus
A slow-growing, solitary cactus forming a dome to 8cm tall. The grey-green stem bears fat, 5 or 6-angled tubercles and stiff radial spines. In spring it produces funnel-shaped white flowers with a pink stripe on each petal
Size
Ultimate height
Up to 10cmTime to ultimate height
10–20 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | White Pink | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Cactaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Columnar upright
- Genus
Thelocactus are cacti with ribbed, spiny, globose or shortly cylindrical stems and large funnel-shaped flowers
- Name status
Correct
- Plant range
- Mexico
How to grow
Cultivation
Grow in standard cactus compost in full light with low humidity. When in growth, water moderately and apply a low-nitrogen fertiliser monthly; keep dry in winter. See houseplant cacti and succulent cultivation for further information
Propagation
Propagate by seed
Suggested planting locations and garden types
- Houseplants
- Sub-tropical
- Low Maintenance
- Conservatory and greenhouse
Pruning
No pruning required
Pests
May be susceptible to mealybugs
Diseases
May be susceptible to stem and root rots if overwatered
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.