2012 april 20 container garden

I have started a container/tire garden this year I have canteloupe from seedlings, and cucumbers, squash, okra, tomatoes and beans from seeds. Some of the tomatoes are from seedlings as well as the bell peppers and corn and seedling all tomatos are better boys , corn and bell peppers from seedlings I tried doing bell peppers from seeds but to no avail. I also have tomatos, cucumbers, beans and squash in containers on the patio.