Delosperma dyeri Red Mountain ('Psdold')

RHS Plant Profile

ice plant [Red Mountain]

RHS

Synonyms

Delosperma dyeri 'Psdold'

Cactus Succulent Alpine Rockery Conservatory Greenhouse

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A low-growing, spreading succulent, reaching to 5cm tall and 50cm wide, with fleshy, nearly cylindrical evergreen leaves. A profusion of scarlet-red, daisy-like flowers with white centres are borne throughout the summer

Position

Full sun

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

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): H4
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Aizoaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Matforming
Genus: Delosperma are mat-forming perennials, or dwarf shrubs, with smooth, fleshy leaves. The daisy-like flowers are brightly coloured in shades of pink, purple, yellow, red, orange or white
Name Status: Trade

How to Grow

Cultivation

Grows best in full sun with good drainage. Grow in troughs in a gritty, sharply-draining, peat-free, loam-based compost; also does well on a scree/crevice bed outside, or as a potplant in an unheated alpine house

Propagation

Propagate by stem cuttings

Suggested planting locations and garden types

Gravel garden
Rock garden
Patio and container plants
Low Maintenance

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free