Zinnias and Powdery Mildew

The zinnias I planted were doing very well but have developed some white dusty leaves and aren’t looking as healthy. What am I doing wrong? Over-watering? Is this mould?…

Indoor – White Fuzz on Soil

Hello. I have a few small indoor plants that have white fuzzy stuff on the top of the soil. The room is cold and dry ..could it still be fungus? I have never seen any gnats or any other insects.…

Sterilizing wooden containers

I have containers made of pine with hardwood bases. What is the best way to sterilize the pine wood and hardwood in the containers so that any fungus harboured in the wood (we had early blight last summer for the…