Aloe rauhii

RHS Plant Profile
snowflake

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Synonyms

Aloe rauhii 'Snowflake'

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Cactus Succulent Conservatory Greenhouse Houseplants
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A stemless evergreen succulent with rosettes of lance-shaped, fleshy grey-green leaves, marked with patterns of paler green and with tiny white teeth on the margins. Leaves are sometimes flushed brown in strong sunlight. Flowers are small, pinkish-red and tubular, held on stalks up to 30cm high in summer

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 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)
H1B

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
Plant Range
S. Madagascar

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 at 21°C (70°F) as soon as ripe, or by division, separating offsets in late spring or early summer

Suggested planting locations and garden types

  • Houseplants
  • Sub-tropical
  • Conservatory and greenhouse

Pruning

Remove faded flower stems

Pests

May be susceptible to scale insects and mealybugs

Diseases

Generally disease-free