Immediately after planting deep soak the soil in the planting area, including the root ball, to a depth equal to the height of the root ball. For an extra boost to stimulate early root formation and stronger root development, consider watering your newly planted Knock Out Rose with a solution of Root Stimulator., When planting in average garden soil, you usually don't need to water your newly planted Knock Out Roses daily. Water only as needed to keep the root ball and surrounding soil damp to moist. During the winter dormant season, when the roses are not actively growing and evaporation is slower, they will require much less water, so be careful not , Newly planted roses: Water deeply every 1-2 days for the first few weeks after planting. Established roses: Water deeply 1-2 times per week during the growing season (spring and summer). During hot, dry weather: Increase watering frequency to 2-3 times per week., Watering New Roses in Clay Soils. Watering roses in soil with a high amount of clay can be problematic as not only can it bake hard in summer, but it can also hold onto water for much longer than other soil types. With newly planted roses in clay soil, you will have to be more diligent in monitoring the moisture of the soil., Post-planting (and throughout their first season), Knock Out roses will require extra water. Generally, you should water newly planted roses once a week, but check back in regularly to see if they need additional hydration. "Once established, water during dry periods," says Mortensen. "Knock Out roses are very drought tolerant once established.", What is the ideal time of year to plant Knock Out® Roses? You can plant Knock Out® Roses in the spring or the fall. How close together can I plant my Knock Out® Roses? All of the Knock Out® Roses should be planted on 3' centers. This allows room for them to grow and have good air circulation. My Knock Out® Roses wilted after they were .