QUESTION: My gardenia has, what I think is, a very bad case of sooty mold. Last summer it had whiteflies, and I tried to get rid of them using a garden hose, but was not very successful. I tried ...

Dear Neil: I had a black, mosslike substance all over my crape myrtles from late summer throughout fall. Sprays didn't seem to help at all. What is it? What can I do to stop it next year? I'm used to ...

DEAR NEIL: Last year our 7-year-old Meyer lemon tree produced an abundance of beautiful lemons and foliage that was bright green. This summer it developed whiteflies. I applied Neem oil for three ...

A: Biodiversity of life is incredibly important to a healthy ecosystem, but can we all agree that fire ants should just go? It feels at times like they are our sidewalk jailers: always watchful and ...

Sticky plant leaves are a sign that insect pests are attacking your plants. This honeydew isn't harmful, but it's a good idea to treat plants for pests right away. Wipe leaves with a damp cloth to ...