New varieties of roses that are disease resistant and planted less frequently than Knockouts.

Understanding the difference between highbush and rabbiteye blueberries. Learn which to grow.

When planting blueberries, consider the soil.

I love ornamental grasses, but all the ones I see at the garden center are labeled for sun. Will any survive in my shady landscape?

How can I get rid of crabgrass in my lawn? It was awful all last summer. Is there something I can do in spring to fend it off?

Several years ago, I was struck by the beauty of some redtwig dogwoods and made a point of buying the same variety. They are healthy but much taller than the ones I saw, and they’ve never looked as colorful. Do they need special care?—MB, Minneapolis, Minn.

At least three dogwood species are often called redtwig dogwood, and there are many cultivars within those species, some more desirable than others. All three species are grown primarily for their colorful stems, though some …

I grew a small vegetable garden last year with reasonable success. This year I want to start my plants indoors, to get a jump-start on the season. Do I really need grow lights or is the light from a western window sufficient?—MS, Smithfield, R.I.

I was told that some of the overgrown shrubs at my house should be “limbed up.” What does that mean?—GG, Texas

I’ve heard there are a lot of poisonous houseplants. I have many indoor plants and I keep my son’s cats here when he travels. Should I be worried?—WB, Las Vegas, Nev.

I have just purchased a hot pink Christmas cactus. What should I do throughout next year to ensure that it blooms again in time for next Christmas?—AW, Pearisburg, Va.