Based on 5,029 research-grade iNaturalist observations in Maryland, Common Buckeye is most often recorded in September; in Maryland it behaves like a seasonal. It ranks #8 among butterflies recorded in the state in our data.
Junonia coenia
Common Buckeye in Maryland 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 Maryland in September
Huron Skipper
Monarch
Eastern Tiger Swallowtail
Pearl Crescent
Variegated Fritillary
Eastern Tailed-Blue
Black Swallowtail
Silver-spotted Skipper
Places to look in Maryland
State ParkWashington Monument State Park
State ParkPatapsco Valley State Park
State ParkSeneca Creek State Park
State ParkCalvert Cliffs State Park
State ParkSusquehanna State Park
State ParkGambrill State Park
FAQ
When does Common Buckeye appear in Maryland?
Mainly August–October, with the most records in September.
How common is Common Buckeye in Maryland?
It ranks #8 by number of iNaturalist observations among butterflies in Maryland (5,029 records in our sample).