My neighbors were clustered at the corner recently, each with a dog in tow. It was dusk, and they sang out, almost in unison, “So what’s up with all the little beige moths?” I’d been wondering the ...

Gardening columnist Don Kinzler answers questions about a peony getting different colored petals after 20 years, moth damage to lawns and how to prevent green potatoes. Reader Marlene S. asks ...