Caltha leptosepala, the white marsh marigold, twinflowered marsh marigold, or broadleaved marsh marigold, is a perennial species of flowering plant in the buttercup family. It is native to western North America from Alaska to New Mexico, where it grows in wet mountain habitats in alpine and subalpine regions.

This is a perennial with leaves that are up to 13 or 15 centimeters long and may have smooth, wrinkled, or toothed edges. Each flower is up to 4 centimeters wide, usually white or sometimes yellow.

Caltha leptosepala grows in moist to wet soils in partial shade. Its native habitats include wet alpine, subalpine meadows, stream edges and bogs.

These seeds are in very limited supply.

Type: Bog plant, water plant, moist soil area

Height: 25cm, 10"

Hardiness zones: 3-7

Location: Sun

Seeds per packet: 10