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Spreading sandwort

Arenaria lanuginosa

Also called Spread Sandwort, Diffuse Starwort, Stickweed

Spreading sandwort
Photo: Dick Culbert from Gibsons, B.C., Canada, CC BY 2.0

Spreading sandwort is a low, mat-forming annual or subshrub with small white five-petaled flowers, native to warm parts of the Americas. It is a wild herb rather than a commonly cultivated garden plant, and it thrives in full sun with moist but well-drained soil.

Family
Caryophyllaceae (Pink & carnation family)
Grows as
Annual
Light
Full sun
Water
Keep soil moist but not waterlogged, especially during active growth.
Soil
Sandy or loamy, well-drained soil.
Temperature
18–30 °C; protect below 5 °C
How easy
Easy
Native range
S. U.S.A. to NW. Venezuela and N. Argentina, Caribbean
Climate
subtropical

About

Arenaria lanuginosa is a species of flowering plant in the family Caryophyllaceae. Its common name is spreading sandwort. It is an annual or subshrub native to the subtropical and tropical Americas.

Where it grows

It is native to the southwestern, south-central, and southeastern United States, Mexico, the Caribbean, Central America, Andean South America, northern Argentina, and southern and southeastern Brazil.

Other Arenaria plants

Mossy Sandwort · Fringed Sandwort · Arenaria funiculata · Arenaria grandiflora · Arenaria halacsyi · Low sandwort · Thyme-leaved sandwort · Arenaria libanotica · Livermore sandwort · Mountain sandwort · Sierra Nevada Sandwort · Norwegian Sandwort

Text excerpted from the Wikipedia article Arenaria lanuginosa 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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