Q: My 'Knock Out' roses bloomed like crazy, but some of the leaves don't look so good. They have smallish irregular holes clear through. Late last summer, one of the bushes had aphids, but I didn't ...

Q: My Knock Out roses are blooming beautifully, but now something is starting to eat the leaves. What is it, and how do I stop it? A: They are difficult to see, but tiny whitish green worms with ...

The Knock Out rose has become amazingly popular over the past 10 years. This rose has singlehandedly changed the market for roses since its introduction and ushered in a whole new way to look at roses ...

A volunteer plants Knock Out roses near the entrance of the Pavilion of the Two Sisters in City Park in a 2005 as part of a post-Katrina recovery project in New Orleans. (Chris Garnger, NOLA.com | The ...

The Knock Out rose is likely the most planted rose in southeast Louisiana landscapes. Since its introduction in 2000, the Knock Out rose has ushered in a whole new way to look at roses and use them in ...

Last year, I noticed the yellowing and spotting of some of the leaves on my Knock Out roses. The same thing is happening this year. Can you diagnose and suggest what to use? For some reason, I thought ...

The Knock Out rose has become amazingly popular over the past 10 years. This rose has single-handedly changed the market for roses since its introduction, and it has ushered in a whole new way to look ...

Winter is here, thus giving gardeners plenty of time to plan for the upcoming months and specific maintenance activities.

A couple of days before Mother's Day, there was a day to celebrate in the world of horticulture. Friday, May 9, was National Knock Out Rose Day. This is the first year this day has been recognized.