Growing tomatoes for fall harvest can be quite rewarding. Fall tomatoes should be planted from transplants during the month of July in central Texas. We generally plant them 14-16 weeks before the average first killing frost, which is about July 10 in the Marble Falls area of Central Texas.       You can purchase new plants or root cuttings from existing healthy plants. If you decide to root cuttings, start about 2-3 weeks ahead of the planting time. Remove suckers (the branches that grow out [...]