It is impossible to talk about all the gardening things to do in May, so instead let’s discuss a few things to avoid, with mulch volcanoes being chief among mistakes to dodge. I’m sure you’ve seen ...

Q: Our Japanese cherry tree trunk is decaying at the base, starting 10 inches above the soil line. My wife thinks it’s termite or ant damage. The damage begins where I removed a limb years ago and has ...

Q:I need help with my cherry tree. This is my third summer in this house with a sunny yard in San Francisco's Glen Park neighborhood. When I moved in, the cherry was surrounded by loquat trees. The ...

The lean on this apple tree is a sign that the roots are failing, probably from poor drainage or poor soil. Q: I'm having trouble with a 'Summer Rambo' apple that I planted in 2010. It's struggled ...