What to Put on Trees After Pruning

Pruning sealer, or pruning paint, is simply a petroleum-based waterproof product that is “painted” onto the exposed area of a limb or branch after it has been pruned. The idea is that the application works as a kind of “bandage”, which once painted on allows the tree to heal underneath it.

Should I seal my tree after pruning?

In most cases, it is best to simply let wounds seal on their own. … Instead, they compartmentalize wounds with layers of cells that prevent damage from spreading any further. A properly pruned tree or shrub will seal off wounds and prevent decay organisms from entering the trunk.

What to do after trimming a tree?

Immediately after pruning, trees appreciate a thorough helping of water to help them recover. You should continue watering regularly, increasing water during droughts to prevent water stress, as water supports the new shoots that develop after pruning.