Cashew, almonds, hazelnut, filberts and chinquapins are a few commonly grown nuts. They may not be suitable for your area. Research and find which nuts would adapt to your climate. Almond trees can be dwarfed and can fit into your backyard. The fruit of the almond tree is not edible. You can grow Filberts on your fence too. Hazelnut grows in a bush and this makes it ideal for your farm. It grows only up to 10 feet. Chinquapins grows in very low bushes and can go up to 40 feet. On an average, it would take up 15 feet. The trunk would grow into a massive shape. If you have space for trees, you can grow an ample number of nuts like walnut, shell bark hickories, pecans and many others.