Living · 6 pages · 12 min
Why you do not paint a cut on a tree as a rule
Paint does not seal a tree cut faster, because the tree walls off decay itself.
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From the opening
You do not paint a pruning cut as a rule because the tree does not close the wound by having it sealed from outside. It walls off damaged wood internally and grows new tissue from the living rim, and paint or tar does not speed that process. The opening covers the tree walls off decay inside, callus grows from the rim, and paint can keep the wood wet.
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Inside
- The tree walls off decay inside
- Callus grows from the rim
- Paint can keep the wood wet
- The collar matters more than the coating
- Where the idea stops applying
- A distinction worth keeping
Sources
- Compartmentalization of decay in trees, CODIT
- Evidence against routine pruning paint