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Plants that support Lorquin's Admiral

14 plants

American Cow-parsnip

Heracleum maximum

moderate

perennial herb

Adult nectar source; flight period Jun-Sep

Bay Area native

Bearberry Honeysuckle

Lonicera involucrata var. ledebourii

moderate

shrub

Summer adult nectar source Jun-Aug

Bay Area native

Bitter Cherry

Prunus emarginata

high

tree

Primary larval host plant; supports multiple broods spring through summer

Bay Area nativeKeystone species

California Buckeye

Aesculus californica

moderate

tree

Spring flight period nectar source

Bay Area native

California Coffeeberry

Frangula californica

moderate

shrub

Larval host plant, caterpillars feed on new growth

Bay Area native

California Grape

Vitis californica

moderate

vine

Larvae feed on foliage in late spring through early summer

Bay Area nativeKeystone species

Coyote Brush

Baccharis pilularis

moderate

shrub

Fall nectar source Sep-Dec

Bay Area native

Deerbrush

Ceanothus integerrimus

moderate

perennial herb

Caterpillar development on young spring foliage

Bay Area nativeKeystone species

Hollyleaf cherry

Prunus ilicifolia

moderate

tree

caterpillars feed on foliage April-August

Bay Area nativeKeystone species

Ninebark

Physocarpus capitatus

high

shrub

Larval host plant; caterpillars feed on ninebark foliage

Bay Area native

Ocean Spray

Holodiscus discolor

high

shrub

Larval host plant; utilizes young leaves for caterpillar development

Bay Area native

Pacific Willow

Salix lasiandra var. lasiandra

high

shrub

Caterpillar food plant from spring through summer

Bay Area nativeKeystone species

Sticky Monkey Flower

Diplacus aurantiacus

moderate

shrub

Adult butterfly nectar source during bloom period

Bay Area native

Water parsely

Oenanthe sarmentosa

moderate

perennial herb

Caterpillars feed on various plant species; active Apr-Sep in California

Bay Area native