A bloom calendar for Indiana built from 36,026 research-grade iNaturalist observations of plants in flower. April 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
Indiana wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Indiana
Dutchman's breeches
Prairie Trillium
Virginia Springbeauty
Bloodroot
Harbinger of Spring
Virginia bluebells
Yellow Trout Lily
Large White Trillium
Common Jewelweed
Common Pawpaw
Toadshade
White Snakeroot
Great Blue Lobelia
Celandine Poppy
Squirrel Corn
Fire Pink
