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Common Rock-rose

Helianthemum nummularium

Also called Common Rockrose

Common Rock-rose
Photo: Tigerente, CC BY-SA 3.0

Common rock-rose is a low, evergreen trailing subshrub with bright yellow, saucer-shaped flowers from May to July. It thrives in full sun and very well-drained, alkaline soil, making it ideal for rockeries and dry banks.

Family
Cistaceae (Cist family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; allow soil to dry out between waterings and avoid waterlogging.
Soil
Free-draining, neutral to alkaline (lime-rich) soil or gritty mix.
Temperature
15–25 °C; hardy to about -15 °C, protect from prolonged waterlogged cold.
How easy
Easy
Safety
Not known to be toxic
Native range
Europe to Iran
Climate
temperate

About

Helianthemum nummularium (known as common rock-rose) is a species of rock-rose (Cistaceae), native to most of Europe.

Other Helianthemum plants

Jarilla · White Rock Rose · Helianthemum canariense · Helianthemum gorgoneum · Helianthemum guerrae · Yellow Rock Rose · Helianthemum oelandicum · Helianthemum squamatum · Frostweed

Text excerpted from the Wikipedia article Helianthemum nummularium by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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