How to Grow Sunny Knockout
Rosa 'Sunny Knockout'
Your complete guide to growing Sunny Knockout.
When to Plant Sunny Knockout
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Sunny Knockout
✓ Good companions
Natural fungicide properties help prevent black spot and powdery mildew
Repels ants, aphids, and rodents while attracting beneficial insects
Provides vertical interest and shares similar soil and water requirements
Natural pest deterrent and provides continuous color throughout growing season
Provides contrasting foliage texture and thrives in partial shade created by roses
Repels aphids, moths, and deer while attracting beneficial pollinators
Deters nematodes, aphids, and whiteflies with natural pest-repelling compounds
Attracts beneficial insects and provides complementary purple blooms
✗ Keep away from
Releases juglone toxin that inhibits rose growth and causes wilting
Heavy feeders that compete for nutrients and may stunt rose growth
Competes for nutrients and water while creating excessive shade
