Most gardeners elect to grow tomatoes from transplants rather than seed. There are two main types of tomato plants: determinate and indeterminate. Determinate plants are shorter, bushier and produce fruit that ripens mostly at the same time. Indeterminate types are taller, more vine-like, and produce fruit over the entire season. The varieties of tomato plants are endless, with numerous sizes, shapes and colors. When selecting a plant, choose those with thick stems, dark green leaves, and no tomatoes or blossoms.