Lewisia requires little care but it is not completely hardy so it is useful to keep it growing in a clay pot and move it under protection as the colder weather approaches to overwinter in a cold frame, or cold porch or conservatory
Can be frown from seed but it easier to pot up off sets, as these will flower as the patent plant
Lewisia enjoys a bright well drained situation, in a rockery, alpine garden or pot or container.
As Siskiyou lewisia is tender, ensure temperatures are mild enough to plant out (around 5°C / 41°F as a guideline) - wait until after your last frost date to be on the safe side.These estimates for how long Siskiyou lewisia takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Bitterroot
Lewisia cotyledon (S. Watson) B.L. Rob. var. cotyledon
Misspellings: Lewysia cotyledon