Q: I heard rust fungus can infect junipers but that they aren’t worth spraying to treat. Is there anything else I can do to reduce the fungal spread from them to my other trees? A: If you see and can ...

Editor’s note: Get Growing, written by the La Plata County Extension Office’s Master Gardener Program, appears during the growing season. It features timely tips and suggestions for your garden and ...

A: By the looks of the photos you sent in, your serviceberries have a case of rust. Your serviceberries, also called juneberries or saskatoons, should be beautifully bluish-purple and plump right now.

Q: Last year I learned I had rust on my serviceberry and hawthorn trees. What do I look for this year to prevent that? A: It’s hard to prevent rust infections on vulnerable plants unless you are ...

This gall formed by the cedar-apple rust pathogen is exuding tentacle-shaped structures, called telial horns, which produce spores that will infect apple trees and other hosts in the rose family. The ...