
Based on 4,535 research-grade iNaturalist observations in Ohio, Spicebush Swallowtail is most often recorded in July; in Ohio it behaves like a summer visitor / breeder. It ranks #10 among butterflies recorded in the state in our data.
Papilio troilus
Spicebush Swallowtail in Ohio 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 Ohio in July

Monarch

Eastern Tiger Swallowtail

Silver-spotted Skipper

Pearl Crescent

Black Swallowtail

Red Admiral

Peck's Skipper

Small White
Places to look in Ohio
Cincinnati Zoo and Botanical Garden
Chadwick Arboretum
Wayne National Forest
Cox Arboretum and Gardens MetroPark
Hocking Hills State Park
Maumee Bay State Park
FAQ
When does Spicebush Swallowtail appear in Ohio?
Mainly July–August, with the most records in July.
How common is Spicebush Swallowtail in Ohio?
It ranks #10 by number of iNaturalist observations among butterflies in Ohio (4,535 records in our sample).