Intermediate
skill rating
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Helianthemum nummularium (Common rockrose)
1 hour care
per year
per year
0.5m
Max height
Max height
0.9m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Helianthemum nummularium
Other names
Common rockrose, Flower of the sun, Cistus helianthemum, Helianthemum chamaecistus, Helianthemum vulgare
Genus
Helianthemum Helianthemum
Species
H. nummularium - H. nummularium is a mound-forming to trailing, evergreen shrub with narrowly elliptic to lance-shaped, dark grey-green leaves and loose clusters of saucer-shaped, yellow flowers from late spring into summer.
Helianthemum nummularium is: Evergreen
Habit
Cushion or Mound Forming, Trailing
Flower
Yellow in Spring; Yellow in Summer
Foliage
Dark-green in All seasons
How to care
Watch out for
Pests
Generally pest-free.
Diseases
Generally disease-free.
General care
Pruning
Pruning group 10. Annual pruning will promote a bushier, more compact habit. Take care when pruning as may not regenerate from old wood.
Propagation methods
Seed, Softwood cuttings
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Where to grow
Helianthemum nummularium (Common rockrose) will reach a height of 0.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Banks and Slopes, City, Coastal, Cottage/Informal, Beds and borders, Gravel, Ground Cover, Containers, Rock
Cultivation
Grow in moderately fertile, rocky or sandy, well-drained, neutral to alkaline soil in full sun. Mulch in cold areas. Best in cool summer and warm winters.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Alkaline, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Helianthemum nummularium
Other names
Common rockrose, Flower of the sun, Cistus helianthemum, Helianthemum chamaecistus, Helianthemum vulgare
Genus
Helianthemum Helianthemum
Species
H. nummularium - H. nummularium is a mound-forming to trailing, evergreen shrub with narrowly elliptic to lance-shaped, dark grey-green leaves and loose clusters of saucer-shaped, yellow flowers from late spring into summer.
Native to
Europe, Southwestern Asia
Foliage
Evergreen
Habit
Cushion or Mound Forming, Trailing
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Colour
Flower
Yellow in Spring; Yellow in Summer
Foliage
Dark-green in All seasons
How to care
Watch out for
Pests
Generally pest-free.
Diseases
Generally disease-free.
General care
Pruning
Pruning group 10. Annual pruning will promote a bushier, more compact habit. Take care when pruning as may not regenerate from old wood.
Propagation methods
Seed, Softwood cuttings
Monthly care advice
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Where to grow
Helianthemum nummularium (Common rockrose) will reach a height of 0.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Banks and Slopes, City, Coastal, Cottage/Informal, Beds and borders, Gravel, Ground Cover, Containers, Rock
Cultivation
Grow in moderately fertile, rocky or sandy, well-drained, neutral to alkaline soil in full sun. Mulch in cold areas. Best in cool summer and warm winters.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Alkaline, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 7, Zone 6, Zone 5
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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