Butterfly flight seasons in Vermont from 46,555 research-grade iNaturalist observations. July has the most activity.
By month
Vermont butterfly calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed butterflies in Vermont
Monarch
Small White
Great Spangled Fritillary
Common Ringlet
Red Admiral
Silver-spotted Skipper
Viceroy
Mourning Cloak
Hobomok Skipper
Canadian Tiger Swallowtail
Common Wood-Nymph
Clouded Sulphur
Eastern Comma
Northern Pearly-eye
Eastern Giant Swallowtail
Atlantis Fritillary
