Roma Tomatoes, Bell peppers (especially red and yellow), cliantro (a given), Thyme, Garlic, Basil, Oregano (mexican), Parsley, Chives, Green leaf lettuce (probably a bad decision), zuchinni, yellow squash, and jalapeno (a given).
Some will work better than others. I may also add musk-melon (cantaloupe, but it's not) to the list. It does well here in the hot summers, and the flavor is good.
/johnny
I presume that you know to go easy on the zuchinni and yellow squash or they will take over your neighborhood and produce enough to feed half of Texas. When we had a garden, we quickly learned not to plant but a hill or two of those prolific veggies. Our friends and neighbors began running away screaming when they saw us coming, realizing that we probably had more squash to give them.