White Mariposa Lily
Calochortus eurycarpus
Last reviewed: June 2026
White Mariposa Lily (Calochortus eurycarpus) 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"–18" H × 4"–8" W
Bloom
Jun, Jul
Native to
ID, MT, NV, OR and 3 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
White mariposa lily is a delicate wildflower that produces elegant white cup-shaped blooms in early summer. This compact bulb grows in small clumps and goes dormant after flowering, disappearing until the following spring.
In an HOA neighborhood
White Mariposa Lily takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Disappears completely after blooming
- Can look like empty space most of the year
- May appear too wild or weedy for formal landscapes
Wildlife value
The flowers attract native bees and beetles during its June-July bloom period. As a native bulb, it provides early season nectar when few other plants are flowering.
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 White Mariposa Lily fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.