Keep the garden vertical. That's why it's good to look for shrubs and trees that max out interest as they grow up, not out. Try dwarf varieties for a small backyard, as well as more columnar evergreens (bonus—they boost wintertime interest, too).
When I first planted the trees years ago I made a diagram of our property, added the fruit trees, and labeled them with what fruit they’d produce and the year I planted them. Over time I’ve lost and r (Step Design Layout)