Hardiness zones provide guidance for plant survival.
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Early detection of co-dominance can save many trees' lives.
Included bark in a tree's crotch has a serious weakening effect, but there are things you can do about it.
When a tree is damaged, often an attempt to repair it is better than reaching for the chain saw.
To carry out tree repair in a way that is best for the tree, some understanding of its anatomy is needed.
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