Plants that support Vancouver bumble bee
8 plants
Big-leaf Maple
Acer macrophyllum
tree
Spring nectar and pollen Apr-May during queen and worker foraging
Bay Area nativeKeystone species
Bleeding-heart
Dicentra formosa
perennial herb
Pacific Northwest species, spring forager on native plants
Bay Area native
Checker Lily
Fritillaria affinis
geophyte
Spring colony initiation and worker foraging Mar-May
Bay Area native
Fringecups
Tellima grandiflora
perennial herb
Critical spring forage for endangered subspecies in northern California coastal regions
Bay Area native
Mosquito Bills
Primula hendersonii
perennial herb
Pacific Northwest spring foraging resource
Bay Area native
Oneleaf Foamflower
Tiarella trifoliata ssp. unifoliata
perennial herb
Forages extensively during peak bloom Jun-Aug in Pacific Northwest distribution
Bay Area native
Salmonberry
Rubus spectabilis
perennial herb
Spring pollinator for early flowers
Bay Area nativeKeystone species