Plant Overview

The Knock Out Rose revolutionized landscape roses with its exceptional disease resistance and continuous blooming habit. This self-cleaning rose produces vibrant, cherry-red blooms from spring until the first hard frost, making it a standout performer in any garden. Its compact, rounded growth habit and excellent hardiness have made it one of North Americas best-selling roses.

Plant Information

• Latin Name: Rosa Radrazz
• Common Name: Knock Out Rose
• Watering Requirements: Moderate
• Sun Exposure: Full sun to partial shade
• Soil Conditions: Well-draining, rich organic soil
• Mature Plant Height: 3-4 feet
• Mature Plant Width: 3-4 feet

Plant Care

Knock Out Roses require minimal maintenance compared to traditional roses. Water deeply once per week, ensuring soil remains consistently moist but not waterlogged. Fertilize monthly during the growing season with a balanced rose fertilizer. Prune in early spring before new growth begins, removing dead or damaged branches and reducing height by one-third.

These roses are highly resistant to black spot, powdery mildew, and rust, eliminating the need for extensive fungicide treatments. Deadheading isnt necessary as spent blooms drop automatically, but occasional trimming can maintain a neater appearance and encourage more blooms.

Planting Instructions

Plant Knock Out Roses in spring or fall when temperatures are moderate. Dig a hole twice as wide as the root ball and equally deep. Mix native soil with organic matter at a 50/50 ratio. Position the plant at the same depth it was growing in the container, spreading roots outward.

Create a 2-3 inch deep basin around the plant for watering and apply 2-3 inches of mulch, keeping it away from the stem. Water thoroughly after planting and maintain consistent moisture for the first growing season.

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