These are the most popular orange trees for commercial growing. If you decide on one of these trees, you probably won t have to water as much. Another type is the Valencia is one of the most juicy and flavorful oranges. It is most popular in South Africa and the southern USA states. Until about 20 years ago, Valencia oranges made up a strangely large portion of the orange market due to its popularity. Usually you will want to get a ladder so that you can get within spraying distance of all the portions of the tree. Apply the pesticide in even, full sweeps as to hit every piece. Never go over the same part twice, because that is when you start to drip. If you re dealing with a large and well developed tree, you should stand on a ladder under the base of the trunk. Standard sized fruit trees take up much more area the then any of the smaller tree varieties, and they are also harder to keep manageable and to harvest all of the fruit. If you do not prune them at least once a year they can grow as large as thirty feet. If you are just looking for a good tree to provide you with plenty of delicious fruit from and to keep your yard shady, a standard sized tree would be the perfect tree for you. This is a fungus that attaches to many of the leftover fruits after the picking season is over. Not only does it look disgusting on the leftover fruits, but it also can come back on the newer fruits, rendering them inedible (unless you enjoy eating fungus). To prevent this malady, you should prune your trees often to encourage good air circulation. 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. To make sure that your tree always stays healthy in the long run, you should prune it during winter or spring. Water your tree every two weeks during dry times, and be sure not to hit your tree with a lawn mower or a weed eater because it could severely damage the growth process. When you are planting a tree, make sure that your tree is perfectly vertical, so it won t grow to be pointing off in an abnormal direction. When you are planting a tree you should also spread out the roots so that the tree will always be stable. The final thing to do in keeping your fruit tree healthy is to keep it protected when it is young and fragile.