Crotch's bumblebee
Bombus crotchii
CA: Endangered
Listed under California ESA; range has contracted significantly
Plants that support Crotch's bumblebee
11 plants
Coast Larkspur
Delphinium hesperium subsp. hesperium
perennial herb
Early spring foraging for queen establishment and colony founding
Deerweed
Acmispon glaber
shrub
Endangered species; year-round nectar resource critical for population support
Facelia
Phacelia tanacetifolia
annual
Critical spring forage for California endemic species
Golden Eardrops
Ehrendorferia chrysantha
perennial herb
spring and early summer nest provisioning
Lindley's Blazing Star
Mentzelia lindleyi
annual
spring flowering resource for emerging colonies
Showy Penstemon
Penstemon spectabilis
perennial herb
Spring and early summer foraging, California native pollinator
Silver bush lupine
Lupinus albifrons
shrub
Host plant for larval development
Southern honeysuckle
Lonicera subspicata
shrub
Early season foraging resource for queen emergence
Yellow Bush Penstemon
Keckiella antirrhinoides
perennial herb
Important early spring nectar source for queen establishment and colony founding