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Tweedy's mousetail is a small perennial herb from the Pacific Northwest of the USA, growing to about 20 cm with yellow flowers. It does best in a dry, sunny spot with rocky, well-drained soil, such as a rock garden.
Potentilla tweedyi, also known as Tweedy's mousetail and Tweedy's ivesia, is a species of perennial herb in the rose family. It is native to the Pacific Northwest in the United States, from Washington east to westernmost Montana.
Tweedy's ivesia is suitable for rock gardens. It does best in dry sunny spots "with a good rock to cover the taproot".
Potentilla tweedyi is endemic to the Pacific Northwest in the United States, growing in central and northeastern Washington, northern Idaho, and northwestern-most Montana (Mineral County). It grows on dry, gravelly to rocky flats, slopes, alpine ridges, and in subalpine conifer woodlands. It is notable for its occurrence on serpentine.
Potentilla californica · Potentilla clevelandii · Potentilla daucifolia · Potentilla rydbergii · Potentilla micheneri · Potentilla yadonii · Potentilla muirii · Potentilla paniculata · Potentilla pickeringii · Potentilla rhypara · Potentilla santolinoides · Potentilla webberi
Text excerpted from the Wikipedia article Potentilla tweedyi 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.
