Conservation

butterflies
Mardon Skipper

 

Some Food Plants for Caterpillars

Trees

Caterpillars

Black cottonwood (Populus trichocarpa), quaking aspen (P. tremuloides) and willows (Salix spp.) Western tiger swallowtail, mourning cloak and others (especially willows)
Douglas fir (Pseudotsuga menziesii) and pines (Pinus spp.) Pine white

Garden flowers and ground covers

 
Hollyhock (Alcea rosea) Painted lady, west coast lady
Kinnikinnik (Arctostaphylos uva-ursi) Spring azure, brown elfin

Vegetables

 
Beans (Phaseolu vulgaris var.) Gray hairstreak
Carrot, dill, fennel, parsley (Umbelliferae family) Anise swallowtail

Common "Weedy" Species

 
Nettle (Urtica lyallii) Milbert’s tortoiseshell, red admiral, satyr anglewing
Clover (Trifolium spp.) Common sulfur, orange sulfur