Butterfly Mariposa Lily
Calochortus venustus
Last reviewed: June 2026

Butterfly Mariposa Lily (Calochortus venustus) 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
full sun
Water
low
Size
6"–24" H × 3"–12" W
Bloom
May, Jun, Jul
Native to
CA
Pollinators
bees, butterflies
Browse plants for this ecoregion
Calochortus venustus, commonly known as Butterfly Mariposa Lily, produces elegant cup-shaped flowers in white to lavender with distinctive markings. This native bulb blooms in late spring to early summer, going dormant in the dry season. It prefers well-drained soil in full sun locations.
In an HOA neighborhood
Butterfly Mariposa Lily is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 2 out of 5.
Works well in: mid zone, backyard only.
- Goes completely dormant after blooming, leaving no visible foliage
- Best incorporated into mixed plantings rather than as standalone specimens
- Naturalistic appearance may not suit formal landscape designs
Wildlife value
The showy flowers attract native bees and butterflies, providing valuable nectar during late spring and early summer months.
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 Butterfly Mariposa Lily fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.