Q: I heard that you shouldn’t use wound sealer when pruning your trees — that it does more harm than good. Is this true? A: Yes, it’s true. When pruning your trees, you should not use any sealer on ...

Sealing pruning wounds with grafting compound or any other gunk, like paint, wax, tar or roofing compound, literally adds insult to injury. Grafting compound should be used only to temporarily limit ...

Q: I heard that you shouldn’t use wound sealer when pruning your trees – that it does more harm than good. Is this true? Yes, it’s true. When pruning your trees, you should not use any sealer on the ...

Answer: Great question! The short answer is, "No, at least not urgently, and there’s no need for any type of wound sealant." For now, in case it helps you rest easier, imagine what your trees would do ...