Plants that support Juniper Hairstreak
14 plants

Big Deervetch
Hosackia crassifolia var. crassifolia
perennial herb
Larvae feed on plant foliage; univoltine or bivoltine depending on location

Bigelow's Sneezeweed
Helenium bigelovii
perennial herb
Uses as larval foodplant; multiple generations spring through fall

Bladder Desert-parsley
Lomatium utriculatum
perennial herb
Larvae feed on Apiaceae; multiple broods April-September in California

California Coffeeberry
Frangula californica
shrub
Larval host plant, caterpillars feed on new growth April-May
California Juniper
Juniperus californica
tree
Important larval host; caterpillars consume juniper foliage year-round in mild California climate

Cascade Canada Goldenrod
Solidago elongata
perennial herb
late summer adult nectar source

Deerbrush
Ceanothus integerrimus
perennial herb
Caterpillars feed on spring foliage and new growth


Glandular Layia
Layia glandulosa
perennial herb
Larval food plant for caterpillars in spring emergence period


Oregon Bitter-root
Lewisia rediviva
perennial herb
Caterpillars feed on host plants; adults use Lewisia for nectar

Stretchberry
Forestiera pubescens
tree
Multi-generational larval host; eggs laid on foliage throughout growing season

Water parsely
Oenanthe sarmentosa
perennial herb
Caterpillars feed on various host plants in California; Apr-Sep

