Just so you know, if you are buying already processed grains in the chicken feed, most of the nutrition will have oxidized in 3 weeks. Whole grains last a long time, but once crushed, they have a very short shelf life.
I think your plants are coleus and geraniums.
It's cool you get 2 growing seasons! Not so here in New England.
RE: 6 weeks into the season in the southeast: April garden