Based on 10,920 research-grade iNaturalist observations in California, West Coast Lady is most often recorded in April; in California it behaves like a seasonal. It ranks #17 among butterflies recorded in the state in our data.
Vanessa annabella
West Coast Lady in California 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 California in April
Monarch
Painted Lady
Variable Checkerspot
Mourning Cloak
Gray Buckeye
Umber Skipper
Anise Swallowtail
Western Tiger Swallowtail
Places to look in California
Botanical GardenThe Huntington Library, Art Museum, and Botanical Gardens
State ParkHearst Castle
Botanical GardenSan Francisco Botanical Garden
State ParkAnza-Borrego Desert State Park
National ForestAngeles National Forest
National ForestSequoia National Forest
FAQ
When does West Coast Lady appear in California?
Mainly February–November, with the most records in April.
How common is West Coast Lady in California?
It ranks #17 by number of iNaturalist observations among butterflies in California (10,920 records in our sample).