Haworthia fasciata 'Concolor'

RHS Plant Profile

haworthia 'Concolor'

RHS / Joanna Kossak

Synonyms

Haworthia glabrata var. concolor misapplied
Haworthiopsis glabrata var. concolor misapplied
Haworthia fasciata 'Concolor'

Cactus Succulent Conservatory Greenhouse Houseplants

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A small, slow-growing succulent forming rosettes of green, upright, triangular leaves with raised white markings or 'tubercules' around the edges.

Position

Full sun, Partial shade

Soil Types

Loam, Sand

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 Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun Partial shade

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: Columnar upright
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: Unresolved

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 fertiliser fortnightly during late spring and summer. Stand outside in summer. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate from offsets

Suggested planting locations and garden types

Houseplants
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to mealy bugs

Diseases

Generally disease-free