A bloom calendar for Washington built from 102,348 research-grade iNaturalist observations of plants in flower. May is the busiest bloom month. Pick a month to see what's flowering, or open a species for its state-by-state timing.
By month
Washington wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Washington
Pacific trillium
Fireweed
Salmonberry
Pacific Bleeding Heart
Lawn daisy
Pearly Everlasting
Threeleaf Foamflower
Herb Robert
Western Columbine
Western Skunk Cabbage
Osoberry
Small Camas
Purple Foxglove
Fringe Cups
Red-flowering Currant
Checker Lily
