You will be rewarded with more abundant blooming, the more hours of sunlight your new rose bush gets. Knockout roses are very easy to grow, and will thrive in most landscapes conditions. Shrub roses prefer moist well draining soil and good nutrition. Soils consisting of high organic matter will retain moisture and promote strong abundant blooms. Knock Out roses are a shrub rose bush that grows to about 3 feet in height and stays in a relatively tidy mound. Proper care will keep this rose bush blooming late into the fall. Tips for the care of Knock Out roses include:
- Cut the Knock Out rose bush down to approximately 12 inches in late fall or early spring, using a handheld pruner.
- Shape the Knock Out rose bush during the growing season. Keep the mound as rounded as possible. Trim any branches that are growing faster than others.
- Remove faded blooms by deadheading to encourage new growth. Regular deadheading will keep the Knock Out rose bush blooming until late fall.
- Water the Knock Out rose bush at the bottom of the shrub.. Reducing the shrub’s exposure to overhead watering prevents leaf spot and disease. Increase the watering frequency during dry weather.
- Spread a layer of mulch around the Knock Out rose bush, taking care not to pile the mulch against the stems. Apply mulch approximately 3 inches thick.
- Apply a fertilizer developed for rose bushes. Follow the manufacturer’s instructions on fertilizing frequency.
· Ensure that the Knock Out rose bush is in a sunny location with well-drained soil. Roses placed in heavy soil may rot.
