Bush beans, okra, a couple of dwarf tomato plants, Brussel Sprouts, plus any of the Fall vegetable crops can be planted in a couple of weeks - leafy greens, etc. Check out all the other 'what can I plant now' discussions running here right now for more ideas.

Dave

That's a big container! A floral designer would include a tall upright element like peas or scarlet runner beans on a narrow tripod, surrounded by a tapestry of greens like chard and kale, with parsley and pansies added for interest.