A bloom calendar for Oregon built from 99,067 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
Oregon wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Oregon
Pacific trillium
Pacific Bleeding Heart
Lawn daisy
Western Columbine
Small Camas
Tolmie's pussy ears
Fireweed
Columbia lily
Candy Flower
Shortspur Seablush
Scotch Broom
Herb Robert
Coastal Manroot
Common Woolly Sunflower
Ookow
Subalpine Mariposa Lily
