Based on 2,716 research-grade iNaturalist observations in Maryland, Red Admiral is most often recorded in July; in Maryland it behaves like a summer visitor / breeder. It ranks #14 among butterflies recorded in the state in our data.
Vanessa atalanta
Red Admiral 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 July
Eastern Tiger Swallowtail
Huron Skipper
Monarch
Silver-spotted Skipper
Spicebush Swallowtail
Pearl Crescent
Eastern Tailed-Blue
Small White
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 Red Admiral appear in Maryland?
Mainly May–September, with the most records in July.
How common is Red Admiral in Maryland?
It ranks #14 by number of iNaturalist observations among butterflies in Maryland (2,716 records in our sample).