HikerBob, I finally got around to showing your pictures to Susan. She'll take over from here:
1) Campanula persicifolia, blue (Blue Peach-Leaved Bellflower)
3) Red Clover
5) Coreopsis (at least, it's in the Compositae family)
7) Escholtzia (California Poppy)
8) Dianthus barbatus (Sweet William)
9) Lychnis coronaria
10) Verbascum
12) I think this is a pink Queen Anne's Lace !?!
13) Compositae family--could it be Boltonia or more likely Kalimeris?
14) Dianthus deltoides
16) Callirhoe involucra (possibly 'Wine Cups'?)
17) Campanula persicifolia (Peach-leaved Bellflower)
18) Sedum acre or Sedum 'Golden Carpet' (tons of sedums out there)
19) Opuntia (Prickly Pear Cactus)...a few are hardy up here.
20) Hemerocallis fulva (aka Outhouse Daylily)
21) Variegated Lysimachia
22) Digitalis (a white foxglove)
23) Dianthus deltoides
24) Potentilla
25) Leucanthemum (Shasta daisies) and purple vetch
26) an ant on a plant (could it be fennel? not enough detail)
27) Verbascum