Rebutia violaciflora

RHS Plant Profile
violet-flowered crown cactus

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Synonyms

Rebutia minuscula 'Violaciflora'
Rebutia minuscula subsp. violaciflora

Award of Garden Merit
Cactus Succulent Houseplants

A clustering cactus to 6cm tall, forming a low mound of warty, globose, dark green stems. Short, bristly spines arise from the prominent white areoles. In spring, bright pink flowers are borne in a ring around the base of the stem

Position

Full sun

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity
5–10 years
Max Spread
0-0.1 metre
Max Height
Up to 10 cm

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cactaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
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
Argentina

How to Grow

Cultivation

Grow in standard cactus compost in full sun with good ventilation. Water moderately when in growth and apply a specialist liquid cacti feed monthly; keep almost completely dry at other times. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by sowing seed at 21°C in early spring; separate offsets in spring or summer

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Sub-tropical
  • Low Maintenance
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

May be susceptible to root and stem rots in wet conditions