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Sunny Knock Out® Shrub Rose

Rosa 'Sunny'

  • Hardy in zones 4-11, thrives in heat and humidity with exceptional disease resistance to black spot and powdery mildew
  • Cheerful yellow blooms fade to soft cream, creating a beautiful two-tone display from late spring through hard frost
  • Self-cleaning flowers require absolutely no deadheading while attracting bees and butterflies all season long
  • Deer resistant and drought tolerant once established, perfect for low-maintenance landscapes and container gardens
Sale price $2509 Regular price $3983
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Plant Size

Specifications

Plant specifications
Plant Characteristics Disease resistant, Flowering, Fragrant, Cold hardy, Drought resistant
Hardiness Zone 5a to 11b
Sunlight Full sun
Height 3-4 ft
Width 3-4 ft
Watering Needs Moderate
Preferred Soil Clay, Loamy
Growth Rate Moderate
Growth Habit Climbing, Spreading, Trailing, Upright
Blooms In Spring, Summer, Fall
Flower Color Yellow
Foliage Color Green
Fragrant Yes
Pet Safety Toxic to pets
Suitable Space Outdoors, Container
Plant Name Rose
Botanical Name Rosa 'Radsunny'
Species spp.
Cultivar Radsunny
Class Magnoliopsida, Rosales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

What USDA hardiness zones are suitable for Sunny Knock Out® Roses?

  • Sunny Knock Out® Roses thrive in USDA zones 4-9, handling both cold winters and hot summers with ease. Their exceptional disease resistance makes them particularly reliable in humid southern zones where traditional roses struggle. Plant in spring after your last frost for best establishment.

How tall do Sunny Knock Out® Roses grow at maturity?

  • Sunny Knock Out® Roses reach 3-4 feet tall and wide at maturity. Their moderate growth rate and naturally rounded habit means they won't outgrow their space quickly. Plant them where they have room to reach full size, available at naturehills.com.

How much sun do Sunny Knock Out® Roses need?

  • Sunny Knock Out® Roses need full sun, meaning 6-8 hours of direct sunlight daily for best flowering performance. While they can tolerate some light shade, blooms will be reduced in shadier locations. Plant in your sunniest spot for continuous yellow blooms from late spring through frost.

How often should I water Sunny Knock Out® Roses?

  • Water deeply once or twice weekly during the growing season, providing about 1 inch total including rainfall. Established Sunny Knock Out® roses are quite drought tolerant once their roots are developed. Water at soil level rather than overhead to keep the disease-resistant foliage dry and healthy.

When should I prune Sunny Knock Out® Roses?

  • Prune Sunny Knock Out® Roses in late winter or early spring before new growth begins. Since this variety maintains its rounded, bushy habit naturally, you only need light pruning to remove dead wood and shape as desired. Shop Nature Hills for healthy plants.