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Shrubs

Helianthemum lunulatum

shrubby rock rose

An upright, but then spreading small evergreen shrub to a height of 15cm, with grey-green hairy leaves. In late spring and early summer, bears yellow flowers singly or in clusters

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Neutral, Alkaline

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

West–facing or South–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: Cistaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Spreading branched
Genus: Helianthemum are bushy or spreading evergreen shrubs with small paired leaves and saucer-shaped flowers borne in short racemes in spring and early summer
Name status: Correct
Plant range: S Europe

How to grow

Cultivation

Grow in a sunny, sheltered position in well-drained soil. Hardy in mild areas of the UK

Propagation

Propagate by seed in a cold frame as soon as ripe or in spring or by softwood cuttings in late spring or early summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Mediterranean climate plants
Patio and container plants
Rock garden
Wildlife gardens
Low Maintenance
Banks and slopes
Flower borders and beds
Garden edging
Ground cover

Pruning

Pruning group 10

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility

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