Interesting thing. I removed an ornamental tree, and happened to luck into a truck load of dirt form my parents back yard, which is freakishly rich river bottom soil, to refill the hole. I tilled it in, and the plants there are now about 5 feet tall and are starting to produce a bit more. The tomatoes in the dirt from my parents house are twice the heiight and ten times thie vitality Pic from about a week or two ago