A bloom calendar for Ohio built from 90,848 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
Ohio wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Ohio
Large White Trillium
Virginia Springbeauty
Lesser Celandine
Bloodroot
Dutchman's breeches
black-eyed Susan
Virginia bluebells
Yellow Trout Lily
brown-eyed Susan
Azure Bluet
Common Jewelweed
Toadshade
Common Pawpaw
Red Columbine
Squirrel Corn
Swamp Rose Mallow
Where to photograph wildflowers in Ohio
Botanical GardenCincinnati Zoo and Botanical Garden
Botanical GardenChadwick Arboretum
Botanical GardenCox Arboretum and Gardens MetroPark
State ParkHocking Hills State Park
State ParkMaumee Bay State Park
State ParkLittle Miami Scenic Trail
State ParkDelaware State Park
State ParkHeadlands Beach State Park