
Based on 4,330 research-grade iNaturalist flowering observations in California, Chaparral Yucca blooms mainly from April to June, peaking in May. It ranks #20 among wildflowers recorded in the state in our data.
Hesperoyucca whipplei
Chaparral Yucca 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 May

Ithuriel's Spear

White Globe Lily

Yellow Mariposa Lily

Butterfly Mariposa Lily

California poppy
Milk Thistle
Redstem Stork's-bill

Blue Elder
Places to look in California
Botanical GardenThe Huntington Library, Art Museum, and Botanical Gardens
State ParkHearst Castle
Botanical GardenSan Francisco Botanical Garden
Anza-Borrego Desert State Park
Angeles National Forest
National ForestSequoia National Forest
FAQ
When does Chaparral Yucca bloom in California?
Mainly April–June, with the most records in May.
How common is Chaparral Yucca in California?
It ranks #20 by number of iNaturalist flowering observations among wildflowers in California (4,330 records in our sample).