Based on 3,303 research-grade iNaturalist flowering observations in Ohio, Large White Trillium blooms mainly from April to May, peaking in April. It ranks #1 among wildflowers recorded in the state in our data.
Trillium grandiflorum
Large White Trillium in Ohio by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also in bloom in Ohio in April
Virginia Springbeauty
Dutchman's breeches
Yellow Trout Lily
Lesser Celandine
Bloodroot
Virginia bluebells
Squirrel Corn
Toadshade
Places to look in Ohio
Botanical GardenCincinnati Zoo and Botanical Garden
Botanical GardenChadwick Arboretum
National ForestWayne National Forest
Botanical GardenCox Arboretum and Gardens MetroPark
State ParkHocking Hills State Park
State ParkMaumee Bay State Park
FAQ
When does Large White Trillium bloom in Ohio?
Mainly April–May, with the most records in April.
How common is Large White Trillium in Ohio?
It ranks #1 by number of iNaturalist flowering observations among wildflowers in Ohio (3,303 records in our sample).