Rebutia mentosa
crown cactus
Rebutia mentosa is a cactus with solitary, shortly cylindrical stems to 10cm tall, with long yellow-brown central spines, comb-like yellow radial spines and magenta-purple flowers 3.5cm across
Size
Ultimate height
Up to 10cmTime to ultimate height
5–10 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | ||||
|---|---|---|---|---|
| Summer | Purple | |||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Cactaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Rebutia can be solitary or clustering cacti, with globose or shortly cylindrical, ribbed or tuberculate stems, and showy funnel-shaped flowers
- Name status
Correct
- Plant range
- Bolivia
How to grow
Cultivation
Under glass, grow in standard cactus compost in full light with low humidity. From spring to summer, water moderately and apply a balanced liquid fertiliser 3 or 4 times; keep completely dry at other times
Propagation
Propagate by seed at 21°C (70°F) in early spring, or remove offsets in spring or summer
Suggested planting locations and garden types
- Patio and container plants
Pruning
No pruning required
Pests
May be susceptible to mealybugs early in the season
Diseases
Relatively disease resistant
Get involved
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