Aristaloe aristata 'Green Pearl'

RHS Plant Profile

lace aloe [Cosmo]

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Synonyms

Aloe aristata 'Green Pearl', Aloe aristata [Cosmo], Aristaloe aristata [Cosmo]

Cactus Succulent Conservatory Greenhouse Houseplants

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A compact, evergreen succulent to around 30cm in height, forming rosettes of dark green fleshy foliage with white bumps and spiny edges and a spiny tip. Red-orange tube-shaped flowers sometimes appear in autumn. Can be grown outdoors, but best grown in pots and containers for easy winter protection

Position

Full sun

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam

Moisture: Well–drained
pH: Acid 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): H2
Drought Resistance: Yes

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: A genus of clump-forming, stemless evergreen perennials producing rosettes of soft, toothed, succulent leaves and tubular-shaped orange flowers which are attractive to pollinators
Name Status: Accepted

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 as soon as ripe, or propagate by separating offsets in spring or early summer. Root offsets in cactus potting compost

Suggested planting locations and garden types

Houseplants
Patio and container plants
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to scale insects and mealybugs

Diseases

Generally disease-free