When grown in containers, roses prefer bagged potting soil. "Preparing your garden bed with 2 to 4 inches of compost mixed in will give your Knock Out roses a great foundation to grow in,” says ...

If you're looking to bring the beauty of a Knock Out rose to your own garden, all you really have to know when planting is that it needs six to eight hours of full sun and pH neutral soil.

"For roses like knockout varieties, you can prune them anytime, but early spring is the ideal moment for a major trim." Pruning not only shapes the plant. It also improves airflow, which reduces ...