Is Japanese black pine suitable for the Las Vegas area?
I consider it borderline. Most books classify Japanese black pine as heat tolerant. I have seen too many of them in really bad shape here for me to say it does well. I’ve seen some good ones and I’ve seen some bad ones. And I’ve seen good and bad ones in good locations and bad locations. I do think Japanese black pine needs special attention and should be reserved for intensively gardened spots and not for general landscape use. Q: I have webbing in my mesquite tree. A: We have had some problems in mesquite with an insect that spins webbing that “glues” the leaves together. There it can hide, protected from the environment and pesticides. The insect usually hasn’t heavily infested a tree, so removal by hand in the smaller trees could be done. The insect doing the damage is in a caterpillar form. Biological sprays with Bt, a bacterium that kills the larvae of moths and caterpillars, would probably work. Always read the label before purchasing a pesticide. We also have had problems with
