Mould on maple tree and maple shoots

I have a 52 year old maple at the south side of the house in full sun- the tree is healthy looking, however, what I believe to be moss is growing on all sides of the trunk and the roots…

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?…

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…