Plants that support Great black wasp
11 plants
American-hemp
Apocynum cannabinum
perennial herb
Nectar
Bay Area native
California Goldenrod
Solidago velutina ssp. californica
perennial herb
Nectar
Bay Area native
Keystone species
Chalk Dudleya
Dudleya pulverulenta
succulent
Nectar
Hansen's Larkspur
Delphinium hansenii
perennial herb
Nectar
Bay Area native
Mendocino Alumroot
Heuchera pilosissima
perennial herb
Nectar
Red-flowering buckwheat
Eriogonum grande var. rubescens
perennial herb
Nectar
Bay Area native
Saltmarsh Fleabane
Pluchea odorata var. odorata
perennial herb
Nectar
Santa Lucia Horkelia
Horkelia yadonii
perennial herb
Nectar
Seacliff buckwheat
Eriogonum parvifolium
shrub
Nectar
St. Catherine's Lace
Eriogonum giganteum
perennial herb
Nectar
Bay Area native
Western Virgin's Bower
Clematis ligusticifolia
vine
Nectar
Bay Area native