Q: I have a Desert Museum palo verde that was damaged during a windstorm. One of the branches blew off and damaged the trunk. It is an eyesore. Should I replace it? A: I would let the tree heal on its ...

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 ...

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 ...

One thing that I would like to go over again before starting on another subject is planting depth. The reason I feel the need to mention this is because it's probably the single biggest mistake people ...

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 ...

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 ...