Here in Houston, I'm planing on starting my seeds in late January, to go in the ground for mid March. Look up your last frost date, then back up 6-7 weeks.
well im in florida, and from what ive read, im on the same schedule as you texans.
i will be starting indoors around feb. and plant outside around mid april,
i seen mention of a green house, and yes i used one for many years but this year we are going big-time,
i have a very large indoor area, to start my seedlings till they are at least 6 '' tall,