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Rosa ‘Double Knockout’

13 Mar , 2015  

rosa double knockout Rosa Double KnockoutLatin Name: Rosa

Description: The fire-engine-red double blooms of Rosa Double Knock Out keep coming until hard frost, and its new growth is a stunning burgundy red. Aptly named, this popular successor to Knock Out is fuller and more floriferous, producing clusters of 2 1/2in, incandescent blooms with 18-25 petals. A hardy variety naturally resistant to black spot and other diseases and pests. Own-root. ‘Radtko’