Gasteria nitida var. armstrongii

RHS Plant Profile
Armstrong gasteria

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Synonyms

Gasteria armstrongii

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Cactus Succulent
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A slow-growing, dwarf succulent with thick, dark green, rough-textured, tounge-like leaves. In full sun the leaves take on a bronze flush. Small orange-red flowers are produced on a slender spike to 50cm tall in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

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 Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
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
Asphodelaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
Gasteria are stemless, succulent perennials forming clumps of rosettes of fleshy leaves, often 2-ranked, and racemes of pendulous, tubular flowers
Name Status
Correct
Plant Range
South Africa (Cape)

How to Grow

Cultivation

Grow in cactus compost in filtered light. During the summer water moderately and apply a low nitrogen fertiliser once or twice. Keep dry during winter. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by sowing seed in spring or summer, by division of offsets or by leaf cuttings

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Low Maintenance
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free