Butterflies in Mind -- Zinnia
Susan C. Dunlap
A collection of 50 images as if seen from a butterfly’s point of view. Includes the names of native Zinnia species and the most complete list of US butterflies that will feed on Zinnia blossoms.
Butterflies in Mind -- Asclepias
Susan C. Dunlap
“Milkweed is the single most important plant for Monarch butterflies. This lavishly illustrated book contains details about the structure and cultivation of native Milkweeds, information about the 139 nectar-feeding butterflies they...
Butterflies in Mind -- Monarch
Susan C. Dunlap
This abundantly illustrated volume enables you to select from a complete list of well described perennial nectar plants that are known to attract & feed Monarch butterflies. Over 40 genera are described that are suitable to be grown...
Butterflies in Mind -- Perennials
Susan C. Dunlap
Butterflies in Mind - Perennials. This book is a definitive guide to perennial nectar plants preferred by US butterflies. It empowers you to feed, attract, support (and help identify) nectar-feeding butterflies that reside in the US....

Lycaeides idas, the Idas Blue, can be found in CA,WA,OR,ID,WY,UT,MN,WI, and AK.
Favorite nectar plants include: Achillea, Erigeron, and Eriogonum
USDA Growing Zones for these plants include: 2,3,4,5,6,7,8,9,10

Host plants:
Astragalus alpinus
Astragalus whitneyi
Astragalus whitneyi siskiyouensis
Calluna vulgaris
Empetrum
Empetrum nigrum
Kalmia polifolia
Lathyrus
Lathyrus polyphyllus
Lathyrus torreyi
Lotus
Lotus corniculatus
Lotus oblongifolius oblongifolius
Lupinus
Lupinus parviflorus
Rhododendron palustre decumbens
Trifolium pratense
Vaccinium cespitosum
Vaccinium uliginosum
Vicia
Vicia ludoviciana ludoviciana

CC0 images courtesy of
Fentriss