Haworthiopsis reinwardtii

RHS Plant Profile

Reinwardt haworthia

Synonyms

Haworthia reinwardtii

Cactus Succulent Houseplants

A succulent perennial forming a mat of rosettes of white-spotted, lance-shaped olive-green leaves and in spring, small tubular pinkish-white flowers in lax racemes on stems to 30cm long

Position

Full sun

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: Up to 10 cm

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: North–facing or East–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: Asphodelaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Matforming
Genus: Haworthiopsis are stemless succulent perennials forming rosettes of thick-skinned, fleshy leaves often with raised white tubercles, and with upright racemes of tubular, two-lipped flowers
Name Status: Correct
Plant Range: South Africa (S Cape)

How to Grow

Cultivation

Grow under glass in a standard cactus compost, in full light. Provide low humidity. Water freely when in growth and keep just moist at other times. Apply a dilute low nitrogen fertilizer fortnightly during late spring and summer. Stand outside in summer

Propagation

Propagate by seed or offsets

Suggested planting locations and garden types

Patio and container plants

Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

Generally disease-free