If it grows at such a length and angle that the end is right next to all the other branches, they might end up crowding each other out. Take off the smaller of the two branches to allow the larger one to have the breathing room that it needs. This same rule applies to the weight balance of your tree. Another factor involved in deciding on a type of tree is what kind of soil you have, because some trees do better in damp soil while others are better suited for drier soil. If it rains often in your area you would do well to plant a plum tree. But if you do not get very much rain you would do better to plant a pear tree or an apple tree. Another one of the most popular drought resistant trees is the Russian Olive. This tree is impressive and will definitely turn some heads once it is fully grown. It is more decorative than the trees mentioned above, and will reach 20 or 25 feet once it is fully grown. They are able to grow in almost any soil, and attract birds with the berries they produce. With the many types of trees available, you will have no problem finding a variety that will grow extremely fast and provide all the shade that your garden needs to survive. There are also many things you can do to speed up the growth of trees. Generally trees are separated into two categories: long lived and short lived. While you should do this to prevent it from becoming too heavy, you should also never over-harvest. This can be equally damaging. Another part of making sure that your fruit tree stays healthy is planting it in fertile soil. If you plant anything in soil that doesn't have the proper amount of nutrients in it, it will not grow and flourish as I am sure you would like it to. Healthy trees often take years on vacation where they produce little or no fruit. After you've planted your tree you might start to have some problems with pests. To help keep these pests away, always rake away old leaves, brush, or any other decaying matter that could be holding bugs that could be harmful to your tree.