Based on 9,095 research-grade iNaturalist flowering observations in California, California poppy blooms mainly from March to June, peaking in April. It ranks #3 among wildflowers recorded in the state in our data.
Eschscholzia californica
California poppy 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 in bloom in California in April
Rose Clover
Redstem Stork's-bill
Tomcat Clover
Mediterranean Stork's-bill
Blue Dicks
Ithuriel's Spear
Checkerbloom
Western Blue-Eyed Grass
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 California poppy bloom in California?
Mainly March–June, with the most records in April.
How common is California poppy in California?
It ranks #3 by number of iNaturalist flowering observations among wildflowers in California (9,095 records in our sample).