Double Knock out roses - the least demanding rose ever. Blooms like crazy all summer long, no deadheading required. Fills up a flower bed. Plant 3 feet apart, prune in spring to keep bush size under control. Planted in full sun. Plant with blue salvia.
Pruning Knock Out Roses: One thing to keep in mind about knockout rose bushes is that they are very quick growing. A common question is “do I need to prune knockout roses?” Read here to look at what goes into pruning knockout roses.
Double Knockout Roses probably sound familiar to you because ever since they were introduced in 2000 they spread like wildfire all over the country. They spread faster throughout neighborhoods than chicken pox in a kindergarten…
How to Grow Knockout Roses. Knock Out® roses (Rosa "Knock Out") are the shrub roses for gardeners who want to grow roses but do not have time for all the fuss that ordinary roses require. They are hardy in USDA Hardiness Zones 4 to .