Aloe haworthioides

RHS Plant Profile

haworthia-leaved aloe

Cactus Succulent Conservatory Greenhouse Houseplants

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A small, stemless, fast-growing succulent to 10cm tall comprising rosettes of fleshy, lance-shaped, dark green leaves covered with soft, white, hairy spines. Stems to 30cm long bear clusters of tubular, orange flowers in late summer

Position

Full sun

Soil Types

Loam

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Loam

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: 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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asphodelaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Clump forming
Potentially harmful: Human/Pets (dogs, cats, rabbits): Harmful if eaten. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Aloe can be mat-forming or shrubby evergreen perennials, with rosettes of fleshy leaves and small tubular flowers in racemes or panicles
Name Status: Correct

How to Grow

Cultivation

Grow indoors in a container of peat-free, cacti potting compost, or peat-free, loam-based potting compost with added horticultural grit. Water moderately when in growth, very sparingly when dormant in winter. Apply a general liquid fertiliser monthly from May to August. Can be placed outdoors in summer, see aloe cultivation for further advice

Propagation

Propagate by seed sown with heat as soon as ripe or from offsets

Suggested planting locations and garden types

Houseplants
Sub-tropical
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to scale insects and mealybugs

Diseases

Generally disease-free