Red Double Knock Out Rose – Tree Form

Blooming its heart out, Rosa Double Knock Out® is a compact shrub rose which produces abundant clusters of fully double, vibrant cherry-red flowers, up to 3 in. across (7 cm), packed with up to 24 petals. The blossoms do not fade in the heat and stand out against the disease-resistant, dark purplish-green foliage. Blooming continuously from spring until frost, the flowers are followed by decorative orange-red hips. The foliage turns purple to burgundy in fall. Easy to grow, low maintenance, drought tolerant and self-cleaning, this popular shrub rose is an exceptional choice for the landscape and suits every garden and lifestyle.

Rosa Double Knock Out® belongs to the Knock Out® shrub roses which are known for their compact size, long bloom season, bright colors, profuse flowering, exceptional resistance to blackspot and winter hardiness.

  • Grows in a rounded, bushy and well-behaved shrub, up to 3-4 ft. tall and wide (90-120 cm).
  • Best grown in full sun or partial sun, in rich, fertile with adequate moisture, well-drained soils. This rose is noted for its ability to bloom in as little as 3 hours per day of direct sun with excellent disease resistance.
  • An excellent choice for beds, borders where it can be planted among shrubs, annuals and perennials. May be planted in large groups to create a colorful hedge or along a foundation to provide a bright border.
  • Total blackspot resistance makes this shrub a truly disease-free landscape rose.

This shrub rose does not require special care. However, for best performance, cut back every year in early spring after the last threat of frost has passed.From the same cross that produced the original Knock Out®, Double Knock Out® represents the next generation in The Knock Out® Family of Roses. The full, double flowers look just like a classic rose. It is as resistant to black spot as the famous original, has the same bloom cycle, and is slightly more winter hardy.

  • Plant Type Roses
  • Plant Family Rosa – Shrub Roses, Rosa – Roses
  • Exposure Full Sun, Partial Sun
  • Height 3′ – 4′ (90cm – 120cm)
  • Spread 3′ – 4′ (90cm – 120cm)
  • Spacing 36″ – 48″ (90cm – 120cm)
  • Water Needs Average
  • Maintenance Low
  • Soil Type Chalk, Clay, Loam, Sand
  • Soil pH Acid, Alkaline, Neutral
  • Soil Drainage Moist but Well-Drained, Well-Drained
  • Characteristics Showy, Fruit & Berries
  • Attracts Butterflies

From the same cross that produced the original Knock Out®, Double Knock Out® represents the next generation in The Knock Out® Family of Roses. The full, double flowers look just like a classic rose. It is as resistant to black spot as the famous original, has the same bloom cycle, and is slightly more winter hardy.