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Bumblebees

Bombus spp.

Plants that support Bumblebees

6 plants

Brewer's Ragwort

Packera breweri

moderate

perennial herb

Early season pollen and nectar resource during spring foraging

Bay Area native

Cotton Batting Plant

Pseudognaphalium beneolens

high

perennial herb

Early spring pollen resource for queen emergence and initial colony development

Bay Area native

Hillside False Bindweed

Calystegia subacaulis subsp. Subacaulis

moderate

perennial herb

Early spring nectar source for bumblebee colonies during emergence and queen establishment

Bay Area native

Mexicali Onion

Allium peninsulare var. peninsulare

high

geophyte

Early season pollen source during colony establishment

Bay Area native

Pt. Reyes Checkerbloom

Sidalcea calycosa ssp. rhizomata

high

perennial herb

early spring queens forage on Sidalcea flowers for nectar to establish colonies

Bay Area native

Royal Larkspur

Delphinium variegatum subsp. variegatum

high

perennial herb

Nectar and pollen source during early bloom period

Bay Area native