Based on 869 research-grade iNaturalist observations in Delaware, Common Buckeye is most often recorded in September; in Delaware it behaves like a seasonal. It ranks #4 among butterflies recorded in the state in our data.
Junonia coenia
Common Buckeye in Delaware 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 Delaware in September
Monarch
Huron Skipper
Eastern Tiger Swallowtail
Variegated Fritillary
Silver-spotted Skipper
Pearl Crescent
Eastern Tailed-Blue
Small White
Places to look in Delaware
State ParkCape Henlopen State Park
Botanical GardenWinterthur Museum, Garden and Library
State ParkTrap Pond State Park
State ParkKillens Pond State Park
State ParkBellevue State Park
State ParkBrandywine Creek State Park
FAQ
When does Common Buckeye appear in Delaware?
Mainly August–October, with the most records in September.
How common is Common Buckeye in Delaware?
It ranks #4 by number of iNaturalist observations among butterflies in Delaware (869 records in our sample).