A bloom calendar for Oklahoma built from 14,796 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
Oklahoma wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Oklahoma
Green Antelopehorns
Cowpen Daisy
Butterfly Milkweed
Common Sunflower
Buttonbush
Tall Blue Wild Indigo
Cardinal Flower
Purple Passionflower
Antelopehorn Milkweed
Wild Bergamot
Tiny Bluet
Whitemouth Dayflower
Henbit Deadnettle
Virginia Springbeauty
Purple Groundcherry
black-eyed Susan
