Based on 2,234 research-grade iNaturalist observations in Massachusetts, Red Admiral is most often recorded in July; in Massachusetts it behaves like a summer visitor / breeder. It ranks #7 among butterflies recorded in the state in our data.
Vanessa atalanta
Red Admiral in Massachusetts 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 Massachusetts in July
Monarch
Silver-spotted Skipper
Small White
American Copper
Spicebush Swallowtail
Common Wood-Nymph
Eastern Tiger Swallowtail
American Lady
Places to look in Massachusetts
Botanical GardenArnold Arboretum
Botanical GardenBoston Public Garden
Botanical GardenBerkshire Botanical Garden
State ParkHalibut Point State Park
State ParkHammond Pond Reservation
State ParkTolland State Forest
FAQ
When does Red Admiral appear in Massachusetts?
Mainly May–July, with the most records in July.
How common is Red Admiral in Massachusetts?
It ranks #7 by number of iNaturalist observations among butterflies in Massachusetts (2,234 records in our sample).