Plant Rosa 'Double Knock Out®' (Shrub Rose 'Double Knock Out®') when you want the look of classic, double red roses with an easy, landscape-ready habit. You get clusters of cherry-red, fully double blooms that repeat from spring through frost, backed by glossy green foliage on a rounded shrub that keeps its shape with light pruning.

Give your rose full sun for the best flowering and richest color. In most gardens it matures around 24-36 inches tall with a similar width, making it a strong choice for borders, foundation beds, and mass plantings where you want long-season color without constant fussing. Space plants so air can move through the canopy, especially in humid climates.

Start with well-drained soil and water regularly the first season to establish roots. After that, water deeply when the top few inches of soil dry, aiming to keep moisture steady during heat waves and peak bloom. A spring feeding and a light midseason boost can support repeat flowering, but avoid pushing excessive late-season growth in colder areas.

Prune in late winter to early spring by removing dead or damaged wood and shortening stems to encourage fresh shoots. Deadheading is optional because the plant is naturally repeat blooming, but trimming spent clusters can keep the shrub looking neat. Mulch to moderate soil temperature and reduce splash on foliage.

Specifications

• Cold hardiness zone: 5-11 (-20 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun
• Mature height: 24-36"
• Spread: 36-48"
• Edible: Yes
• Long bloom time: Yes

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Care