It is a ton of work to keep them so tight. In spring my pruners are cutting away like a weedeatter. I have a giant puzzle, I spend hours moving trees around to fit them next to each other. Color, leaf type, shape and size determine where they go along with their sun exposure. Right now I have vertually all of the trees I can handle, there might be 5 or 6 places where the irrigation is in place but they are down a step hill which I hope to plant in the next year.