Siskiyou Lewisia
Lewisia cotyledon
Last reviewed: June 2026
Siskiyou Lewisia (Lewisia cotyledon) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part sun
Water
low
Size
4"–12" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
CA, OR
Pollinators
bees, butterflies
Siskiyou lewisia is a charming evergreen succulent with rosettes of fleshy, spoon-shaped leaves. It produces showy clusters of star-shaped flowers in shades of pink, white, or orange that bloom above the foliage from late spring through summer.
In an HOA neighborhood
Siskiyou Lewisia is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone, backyard only.
- Requires excellent drainage to prevent rot
Wildlife value
The brightly colored blooms attract both bees and butterflies, providing valuable nectar during the growing season.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Siskiyou Lewisia fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.