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Summary
Prune by cutting just outside the branch collar, never flush to the trunk and never leaving a stub, and remove no more than about a quarter of the live canopy in a season. In New Orleans, late fall through winter is the best window because it sits outside hurricane season and the main nesting period. Never top a tree: it produces weak regrowth that fails in storms. Big Easy Tree Removal handles structural pruning across the New Orleans area.
Table of Contents
Pruning is the one piece of tree care where doing it badly is genuinely worse than not doing it at all. A tree left alone develops its own structure, imperfect but functional. A tree pruned wrong carries permanent wounds that do not close, decay pockets that widen every year, and regrowth that is weakly attached exactly where storms will test it. In New Orleans the penalty is steeper than in most places, because our warmth and humidity let decay move into a bad cut quickly and our hurricane season finds every weak attachment. Here is how to do it right, from Big Easy Tree Removal.
Cut just outside the branch collar, the slightly swollen ring of tissue where the branch meets the trunk. Do not cut flush to the trunk, and do not leave a projecting stub.
The collar is not decoration. It contains the tissue that allows a tree to seal off a wound and prevent decay from entering the trunk. Cut flush and you remove that tissue, leaving a wound the tree cannot properly close. Cut too far out and the remaining stub dies back, becoming a decay pathway that reaches the trunk anyway.
For any branch heavy enough to tear, use three cuts. An undercut a short distance out from the collar, a top cut slightly further out to remove the weight, then a final cut at the collar on the remaining stub. Skipping the first two lets the falling branch strip bark down the trunk, which creates a far larger wound than the pruning cut itself.
Trees do not heal in the way animals do. They compartmentalize, walling damage off behind chemical and physical barriers and growing new tissue over the surface. A correct cut lets that process work. An incorrect one leaves an opening that stays open.
Skip the wound paint. Sealants do not help a tree compartmentalize and can trap moisture against the wound, which in this humid climate is exactly the wrong outcome. A clean cut at the collar is the entire treatment.
Three local conditions turn a poor cut into a serious problem faster than it would elsewhere.
Heat and humidity. Decay fungi are active for most of the year here rather than a few months. A wound that would sit stable through a northern winter is being colonized continuously in south Louisiana.
A long growing season. T