California Damasonium
Damasonium californicum
Last reviewed: June 2026
Light
full sun
Water
high
Size
4"–12" H × 4"–8" W
Bloom
May, Jun, Jul
Native to
CA, ID, NV, OR
Pollinators
bees, flies
Browse plants for this ecoregion
Damasonium californicum is a small aquatic or wetland annual that grows 4-12 inches tall with modest spread. It produces small flowers from May through July and requires consistently high moisture or standing water to thrive. This specialized plant is adapted to wet meadows, pond edges, and seasonal wetlands.
In an HOA neighborhood
California Damasonium takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires standing water or bog conditions
- Dies back completely as annual
- Looks weedy without proper wetland context
Wildlife value
The flowers attract bees and flies during the late spring and summer blooming period. As an aquatic plant, it also provides habitat for wetland insects and amphibians.
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 California Damasonium fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.