Based on 1,421 research-grade iNaturalist flowering observations in Ohio, brown-eyed Susan blooms mainly from August to October, peaking in September. It ranks #9 among wildflowers recorded in the state in our data.
Rudbeckia triloba
brown-eyed Susan 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 September
Great Blue Lobelia
Common Jewelweed
White Snakeroot
Blue Mistflower
Wingstem
black-eyed Susan
New England aster
Field Thistle
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 brown-eyed Susan bloom in Ohio?
Mainly August–October, with the most records in September.
How common is brown-eyed Susan in Ohio?
It ranks #9 by number of iNaturalist flowering observations among wildflowers in Ohio (1,421 records in our sample).