A common problem with urban trees and shrubs is yellowing foliage as a result of iron deficiency. Iron synthesizes chlorophyll and contributes to the lush, green color of a tree's leaves. When there is not enough iron, or when the soil environment is such that a tree cannot access the available iron, not enough chlorophyll is synthesized and the leaves begin to turn a sickly yellow. Learn how you can fix this problem and bring back the green. A vital and often overlooked factor affecting the health of your trees and shrubs is soil.
Many trees show signs of wilt and general lack of vitality.
In fact, improving your tree's soil is very often the best possible thing you can do to help it stay healthy. Learn the important steps you should be taking to ensure that your trees get the soil conditions they need to not just survive, but thrive. More How to Prune a Tree Depending on how it's done, pruning can be the best or the worst thing you can do for your tree. It is vital that you learn how to perform this regular maintenance task properly and safely. This includes everything from choosing when to prune, to selecting your tools, to making your cuts, to disposing of the wood.