Website/Catalog  (16 Dec 2023)  Includes photo(s).
 
2024 New Releases.
Knock Out White®  Bush (bare rooted). An extremely hardy and disease resistant rose with a naturally compact and upright growth habit. Knock Out White® has masses and masses of cream buds opening to clean white flowers that bloom from Spring right through to the end of Autumn. Easy to grow as a single specimen or striking designer hedge, it’s a perfect addition to any garden. Received the Gold Medal in the National Rose Trial Garden of Australia in 2022. Also won Best Rose of the Trial, Best Floribunda of the Trial, Most Pest and Disease Tolerant Rose of the Trial and was named Australia's Rose of the Year. Fragrance: Nil Height: 90cm to 120cm Category: Floribunda

Article (magazine)  (2023)  
 
White Knock Out^®  'Radwhite', Source/Accession JCRA [JC Raulston Arboretum, Raleigh NC]  ...Estimated ploidy level(x) 4 

Magazine  (Sep 2008)  Page(s) 46.  
 
2009 New Rose Introductions
'Radwhite', shrub, (Rosa White Out ™) Radler, William J., [Radmom X Radsweet] ... description