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Silverbush

Convolvulus cneorum

Silverbush
Photo: Miwasatoshi, CC BY-SA 4.0

Silverbush is a low, evergreen shrub with grey-green silvery foliage and white flowers with yellow throats from spring into summer. It needs full sun, alkaline, well-drained soil, and very little water once established.

Family
Convolvulaceae (Morning-glory family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly, letting the soil dry out between waterings, and tolerates short dry spells.
Soil
Alkaline, free-draining soil or gritty mix.
Temperature
Comfortable in mild conditions; cold hardy to about -9 °C.
How easy
Easy
Native range
C. Medit.
Climate
subtropical

About

Convolvulus cneorum, the silverbush or shrubby bindweed, is a species of flowering plant in the family Convolvulaceae, which contains many plants described as "bindweed". The Latin specific epithet cneorum is a word of Greek origin referring to a small olive-like plant, possibly a species of Daphne.

How to grow it

The species prefers an alkaline soil, full sun and good drainage. It tolerates near-drought conditions for short periods, and is cold hardy to −9 C. It has gained the Royal Horticultural Society's Award of Garden Merit (confirmed 2017).

Where it grows

The species is found in coastal areas of Spain, Italy, Croatia and Albania. In Italy it is found on the coast of Tuscany and western Sicily and on the islands of Capri and Li Galli. In Croatia it is found on many of the islands off the coast. It is often found growing in cracks in rocks.

Other Convolvulus plants

Mallow bindweed · Field Bindweed · Ground Blue Convolvulus · Scammony · Convolvulus sepium · Bindweed

Text excerpted from the Wikipedia article Convolvulus cneorum 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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