A reader is stumped by their flowerless dogwoods. Plus plant of the week. "We planted two dogwoods in our front yard about four years ago. At best, we might get one or two flowers on them in the ...

* What it is: ‘Purple Sensation’ is a variety of ornamental onion that produces three-inch-round, golfball-sized violet-purple flowers in May. The lollipop-like flowers grow at the tips of the two- to ...

* What it is: The Pennsylvania-native heath-aster variety of ‘Snow Flurry’ is one of the season’s last perennials to bloom, nearly covering the plants for weeks in snowflake-like, white, daisy flowers ...

"We planted two dogwoods in our front yard about four years ago. At best, we might get one or two flowers on them in the spring. The trees look healthy and green. Do we inadvertently end up with a ...