
Based on 1,976 research-grade iNaturalist observations in Maryland, Eastern Comma is most often recorded in April; in Maryland it behaves like a summer visitor / breeder. It ranks #20 among butterflies recorded in the state in our data.
Polygonia comma
Eastern Comma 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 April

Eastern Tiger Swallowtail

Eastern Tailed-Blue

Juvenal's Duskywing

Zebra Swallowtail

Pearl Crescent

Small White

American Lady

Falcate Orangetip
Places to look in Maryland
Washington Monument State Park
Patapsco Valley State Park
Seneca Creek State Park
Calvert Cliffs State Park
Susquehanna State Park
Gambrill State Park
FAQ
When does Eastern Comma appear in Maryland?
Mainly March–October, with the most records in April.
How common is Eastern Comma in Maryland?
It ranks #20 by number of iNaturalist observations among butterflies in Maryland (1,976 records in our sample).