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Hairy buttercup

Ranunculus sardous

Also called Sardinian Buttercup, Pale Hairy Buttercup, Canton Buttercup

Hairy buttercup
Photo: Kristian Peters -- Fabelfroh 11:51, 16 June 2007 (UTC), CC BY-SA 3.0

Hairy buttercup is an annual or biennial weed of disturbed, moist ground, native to Europe and grown or found as a lawn and roadside weed elsewhere. It is not a cultivated garden plant, so care is mainly about controlling it.

Family
Ranunculaceae (Buttercup family)
Grows as
Annual
Light
Full sun, Part shade
Water
Grows naturally in moist soil, so it thrives where the ground stays damp.
Soil
Tolerates a wide range of soils, especially moist, disturbed ground.
Temperature
Hardy in temperate and subtropical climates; frost tolerant.
How easy
Easy
Safety
Toxic: All parts contain protoanemonin, a irritant compound that can blister skin and cause stomach upset if eaten.. Toxic to cats and dogs (ASPCA).
Native range
Canary Is., N. Africa, Europe to W. Caucasus
Climate
subtropical

About

Ranunculus sardous is a species of buttercup known by the common name hairy buttercup. It is native to Europe and it can be found in many other areas of the world, including parts of the United States and Australia, as an introduced species and a roadside and lawn weed. It grows in many types of disturbed habitat, especially in moist areas. It is an annual or biennial herb producing a mostly erect, hairy stem up to half a meter tall. The hairy leaves are usually divided into three leaflets which are borne on petioles a few centimeters in length. The flower has usually five yellow petals each up to a centimeter long and five reflexed sepals. The fruit is an achene borne in a spherical cluster of up to 35.

Other Ranunculus plants

Littleleaf buttercup · Aconite-leaf buttercup · Meadow buttercup · White water crowfoot · Asian Buttercup · Brackish Water-crowfoot · St. Anthony's turnip · Ranunculus calandrinioides · California buttercup · Greater creeping spearwort · Glacier buttercup · Ranunculus gramineus

Text excerpted from the Wikipedia article Ranunculus sardous 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.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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