Nelson's saxifrage is a small perennial herb of cold, wet rocky sites in subalpine and subarctic regions. It needs cool conditions, moist soil and good drainage, so it suits rock gardens or cool-climate beds rather than hot, dry sites.
Family
Saxifragaceae (Saxifrag family)
Grows as
Perennial
Light
Part shade, Full sun
Water
Keep the soil consistently moist, especially in the growing season, but never waterlogged.
Soil
Gritty, well-drained but moisture-retentive mix, such as rocky or humus-rich loam.
Temperature
5–20 °C; tolerates hard frost, but struggles in prolonged heat above about 25 °C
How easy
Moderate
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
Siberia to Korea, Subarctic America
Climate
subalpine or subarctic
About
Micranthes nelsoniana, commonly known in the Pacific Northwest as heart leafed saxifrage, dotted rockfoil, or brooke saxifrage, is a perennial herbaceous plant native to northwestern North America, northern Asia, and northeastern Europe. It is found in rocky sub-alpine and alpine locations where water is present for at least part of the year. Leaves are edible, with young leaves eaten raw and older leaves cooked. Several subspecies and varieties exist, many of which have their own synonyms.
Text excerpted from the Wikipedia article Micranthes nelsoniana 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.