My list so far!
Sidalcea 'Elsie Heugh'
Very old/wild heirloom petunias (no hybrids)
Coneflower, yellow
Coreopsis, yellow or white
Gaillardia, yellow
Are there white gaillardia? If so, I want them! :D
Celosia, purple (purple flamingo, deep purple, dark purple - the kind that looks like little foofy cones, not the fan/brain shaped ones or the spray of grains type)
Rose mallow, white
Lupine, white or yellow (sadly, not the yellow tree lupine, it's invasive here)
Liatris (gayfeather)
Morning glory, Grandpa Ott
Morning glory, purple, yellow or white
Perennial purple or white vining flowers
Part-shade tolerant flowering vines
Gilia tri-color (white/purple)
Ruellia, white
Climbing hydrangea
Snapdragons, single colors (not mix)
Alfalfa (for cover crop use)
Dichondra Repens
Viola glabella (stream Violet, yellow)
Mimulus guttatus, mimulus lewisii
Pawpaw
Red or evergreen huckleberry
Very miniature fruit/veg that might work with an Aerogarden
Any part sun fruit/berry
Nemesia, white
Delphinium, white
Candy tuft, SINGLE color, not mix, evergreen candytuft
Rock cress, purple or white
Pardon the ones with a goal, not a seed, I'll come back later with names once my brain starts working again!