
Based on 3,328 research-grade iNaturalist observations in Missouri, Common Buckeye is most often recorded in September; in Missouri it behaves like a seasonal. It ranks #3 among butterflies recorded in the state in our data.
Junonia coenia
Common Buckeye in Missouri 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 seen in Missouri in September

Monarch

Painted Lady

Silver-spotted Skipper
Huron Skipper

Pearl Crescent

Eastern Tailed-Blue
Hackberry Emperor

Black Swallowtail
Places to look in Missouri
Missouri Botanical Garden
Mark Twain National Forest
Missouri State Arboretum
Big Oak Tree State Park
Table Rock State Park
Mark Twain Birthplace State Historic Site
FAQ
When does Common Buckeye appear in Missouri?
Mainly July–October, with the most records in September.
How common is Common Buckeye in Missouri?
It ranks #3 by number of iNaturalist observations among butterflies in Missouri (3,328 records in our sample).