Based on 9,537 research-grade iNaturalist observations in Texas, Eastern Tiger Swallowtail is most often recorded in May; in Texas it behaves like a summer visitor / breeder. It ranks #28 among butterflies recorded in the state in our data.
Papilio glaucus
Eastern Tiger Swallowtail in Texas 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 Texas in May
Black Swallowtail
Gray Hairstreak
Pipevine Swallowtail
Common Buckeye
Monarch
Variegated Fritillary
Gulf Fritillary
Pearl Crescent
Places to look in Texas
State ParkDinosaur Valley State Park
Botanical GardenSan Antonio Botanical Garden
State ParkGarner State Park
State ParkBrazos Bend State Park
State ParkPedernales Falls State Park
State ParkEnchanted Rock State Natural Area
FAQ
When does Eastern Tiger Swallowtail appear in Texas?
Mainly March–September, with the most records in May.
How common is Eastern Tiger Swallowtail in Texas?
It ranks #28 by number of iNaturalist observations among butterflies in Texas (9,537 records in our sample).