How Do You Care For Double Knockout Rose Bush?
The Double Knock Out rose bush, a hybrid shrub rose, produces fragrant, double flowers in shades of pink to cherry red that look like classic roses. Gardeners value the rose bush for its adaptability, resistance to pests and disease, ease of care and extended blooming period. The Double Knock Out rose bush thrives in USDA Plant Hardiness Zones 5 through 9, which includes most of the United States, and blooms generously from spring through the first frost of the season. Plant Double Knock Out roses during spring or summer, as long as the ground is not frozen. Choose a planting site that receives six to eight hours of full sunlight and has fertile, well-drained soil. Space Double Knock Out roses 4 feet apart. Spread a 2-inch layer of mulch over the soil surrounding each Double Knock Out rose bush to insulate the soil, conserve moisture and suppress weeds. Allow about 3 inches between the mulch and the crown of the plants to reduce the risk of disease. Water Double Knock Out roses once ev
