Ask the Expert: House Plant Journal’s Darryl Cheng on 6 Common Indoor Plant Pests

When I spotted a scale insect on a leaf of my Thai lime tree recently, I sighed. It’s only December; sometimes they show up only in March. We must coexist indoors for another five months. I had been led to peer closely at the tree’s leaves by a tell-tale spattering of sticky honeydew beneath one […]