Q: I had some lower branches trimmed from my ponderosa pine in December. How long will it take for the sap to quit flowing? A: Sap flowing from a tree wound is part of its defense system . The sap ...

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 ...

A new antimicrobial drug derived from the sap of an Australian tree has shown promise for treating chronic wounds in animal tests. Chronic wounds are common in people with diabetes, because poor ...

Researchers have confirmed what Indigenous Australians have long known: native plants have great healing properties. A study has found that two plants show great potential for healing wounds quickly ...

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 ...

IF YOU are a regular reader, you will know of my weird fascination with traditional horticultural practices that endure for decades despite being resoundingly debunked by science. In this article, ...