There are many things to factor that can cause a tree to decline and then die. Usually we notice the tree is already dead. How do you determine what is wrong with your trees? Was it over watering, not enough water, a virus, bacteria, or fungus?

The first thing to do is call a expert such as a certified arborist. These people can offer sound advice over the phone or they may have to come out to the site of the affected tree for a general assessment. This usually involves a visible assessment of the tree - does the bark have cracks or weeping holes, leaves discolored, insect damage, etc.? - and you need to provide any information relating to newly installed irrigation, construction activity, how long was the tree in decline.

Sometimes soil samples are needed to determine soil fertility. Soils could be low in nitrogen and in need of a deep root fertilization program. Also tissue sampling can be done to determine root diseases and or fungal problems. The main goal is go to the experts and be preventive in the health of your trees.

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