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Cactus Succulent

Rosularia hirsuta

A mat-forming, succulent perennial to 5cm tall, with rosettes of fleshy, light-green, finely hairy leaves. In early summer it produces short, branched flowerstems bearing upward-facing, starry white flowers. Grow in a wall crevice, rock garden or alpine trough

Synonyms

Sedum hirsutum
Rhodiola hirsuta
see moreSedum hirsutum subsp. baeticum

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Ultimate height

Up to 10cm

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Sheltered

Drought resistance

Yes

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)

Botanical details

Family: Crassulaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Matforming
Genus: Rosularia are succulent perennials producing evergreen rosettes of fleshy leaves and sprays of white, yellow or pink flowers on upright stems in summer
Name status: Correct
Plant range: SW Europe

How to grow

Cultivation

Outdoors, grow in moderately fertile, sharply drained soil (with added grit) in full sun. Protect from excessive winter wet. In very cold regions, grow in a cool greenhouse in shallow pans of peat-free, loam-based potting compost with added grit and a topdressing of grit, in full light. Water moderately in growth, applying a balanced liquid fertiliser at half-strength monthly. Water sparingly at other times

Propagation

Propagate by seed. Remove offsets in summer

Suggested planting locations and garden types

Patio and container plants
Rock garden
Low Maintenance
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to vine weevil and aphids

Diseases

Generally disease-free

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