What happens to trees as winter approaches?
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Trees are sometimes in danger from insects, but if a tree is healthy, this should not be a problem.
Trees have defence systems, but sometimes need your help.
As trees add weight to the branch system, they must develop support structures to prevent that weight causing damage.
The sun's energy is gathered by the leaves, which produce the nourishment for all non-energy-producing parts of the tree. Here is how it gets to them.
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