Rebutia pygmaea

RHS Plant Profile

pygmy crown cactus

Synonyms

Echinopsis pygmaea
Mediolobivia haagei var. nazarenoensis
Rebutia rutiliflora
Rebutia nazarenoensis
Rebutia pygmaea var. gracillispina
Rebutia nigricans
Rebutia nigricans var. carmeniana
Lobivia pygmaea var. gavazzii
Rebutia pygmaea var. gavazzi

Cactus Succulent Houseplants

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A small, clustering cactus forming a low mound of cylindrical, dark green stems to 4cm tall. The spines are short, white and bristly. In late spring it produces pale to bright orange flowers 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: Bolivia, 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