Based on 4,575 research-grade iNaturalist observations in Colorado, Painted Lady is most often recorded in September; in Colorado it behaves like a seasonal. It ranks #1 among butterflies recorded in the state in our data.
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Painted Lady in Colorado 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 Colorado in September
Monarch
Common Checkered-Skipper
Small White
Dainty Sulphur
Gray Hairstreak
Variegated Fritillary
Common Buckeye
Orange Sulphur
Places to look in Colorado
National ForestWhite River National Forest
Botanical GardenDenver Botanic Gardens
National ForestRio Grande National Forest
National ForestSan Juan National Forest
State ParkRoxborough State Park
State ParkMancos State Park
FAQ
When does Painted Lady appear in Colorado?
Mainly April–October, with the most records in September.
How common is Painted Lady in Colorado?
It ranks #1 by number of iNaturalist observations among butterflies in Colorado (4,575 records in our sample).