QUESTION: I think that four of my Knockout rose bushes have rose rosette disease. If I remove all four bushes, what do I need to do to the ground before ...

A killer disease has set its sights on America's most beloved landscape shrub, the rose. Even the seemingly invincible Knock Out roses, with their reputation for superior pest and disease ...

The Knock Out rose is a shrub with a moderate growth rate that grows up to 6 feet tall and can spread 4 feet wide. Plant in early spring when there is no chance of frost, the plant is still ...

I've had gardeners complain that they thought Knock Out roses did not get foliar diseases. These roses, however, ... will help keep bushes more compact. Pruning Knock Out roses.

QUESTION: I’m curious about my knockout rose bushes dying. I’m sending pics of a new shoot and one I cut off several days ago. I realize it’s dried up, but ...

Q. I have noticed for a few weeks now, my Knock Out Rose bush is producing some weird looking growth and the sparse blooms are distorted. How do I treat this? Will my Hybrid teas be affected? &mdas… ...

Rose rosette disease ... 4-foot wide bush. So far, no other roses are showing rose rosette symptoms. ... “Knock Out roses were going to be an amazing flowering plant for the city,” Finch said.

There's a devastating disease threatening roses - yup, even those reliably rugged 'Knock-Out®' roses you see everywhere, they can get it too.

Q: I am having a problem with two shrubs — forsythia and Knockout Roses. I have a row of forsythia on the border of my property that are next to an area that is wooded with second growth trees.

Friday, May 9, was National Knock Out Rose Day. ... Insects and diseases are typically the biggest challenges related to roses. ... if you had a plant or product you wanted to promote, ...

WEST GROVE, PA — The Knock Out® Rose, a revolutionary plant that changed the landscape of gardening, is celebrating its 25th ...

This disease can spread from rose bush to rose bush so identifying and acting diligently is a must. At one time the Knockout Rose was thought to not be susceptible to this mite but has since been ...