
Based on 1,276 research-grade iNaturalist observations in Utah, Small White is most often recorded in June; in Utah it behaves like a summer visitor / breeder. It ranks #3 among butterflies recorded in the state in our data.
Pieris rapae
Small White in Utah 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 Utah in June

Western Tiger Swallowtail

Weidemeyer's Admiral

Two-tailed Swallowtail

Monarch

Painted Lady
Checkered White
Mourning Cloak

Boisduval's Blue
Places to look in Utah
Dead Horse Point State Park
Goosenecks State Park
Goblin Valley State Park
Dixie National Forest
State ParkCoral Pink Sand Dunes State Park
Kodachrome Basin State Park
FAQ
When does Small White appear in Utah?
Mainly April–September, with the most records in June.
How common is Small White in Utah?
It ranks #3 by number of iNaturalist observations among butterflies in Utah (1,276 records in our sample).