Plants that support Two-humped melon bee
10 plants
Beard-Tongue
Penstemon grinnellii
perennial herb
Specialized pollen forager during bloom period
Bay Area native
Butterfly Mariposa Lily
Calochortus venustus
geophyte
Specialist bee feeding on Calochortus pollen during flowering season
Bay Area native
Cobwebby Thistle
Cirsium occidentale var. venustum
annual
Specialist bee collecting pollen from thistle flowers; critical larval food provision
Bay Area native
Foothill Penstemon
Penstemon heterophyllus
perennial herb
Specialist forager on Penstemon species; spring-summer activity
Bay Area native
Harvest Brodiaea
Brodiaea elegans
geophyte
Native solitary bee specialist on brodiaea
Bay Area native
Hillside False Bindweed
Calystegia subacaulis subsp. Subacaulis
perennial herb
Spring foraging on Calystegia flowers for pollen and nectar
Bay Area native
Showy Penstemon
Penstemon spectabilis
perennial herb
Spring and summer pollen collection for brood provisioning
Bay Area native
Silver bush lupine
Lupinus albifrons
shrub
Host plant for larval provisions
Bay Area nativeKeystone species
