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'White Masterpiece' rose Description
'White Masterpiece' rose photo
Photo courtesy of Cliff's High Desert Garden Archival Dec, 2011 last updated 101812
Availability:
Commercially available
Synonyms:
JACmas
HMF Ratings:
31 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
White, near white or white blend Hybrid Tea.
Registration name: JACmas
Exhibition name: White Masterpiece
Origin:
Bred by Eugene S. Boerner (United States, before 1966).
Introduced in United States by Jackson & Perkins Co. (Newark, NY) in 1969 as 'White Masterpiece'.
Introduced by Unknown (Australia) in 1976 as 'White Masterpiece'.
Class:
Hybrid Tea.  
Bloom:
White.  Mild, tea fragrance.  Average diameter 5.75".  Very large, double (17-25 petals), borne mostly solitary, in small clusters, high-centered to cupped bloom form.  Blooms in flushes throughout the season.  
Habit:
Spreading, upright.  Large, light green, leathery foliage.  5 to 7 leaflets.  

Height: 4' (120cm).  Width: 30" (75cm).
Growing:
USDA zone 6b through 9b (default).  
Patents:
United States - Patent No: PP 2,998  on  10 Nov 1970   VIEW USPTO PATENT
Application No: 779,287  on  25 Nov 1968
Eugene S. Boerner, deceased, late of Benton, N.Y.,
A new and distinct variety of rose plant of the hybrid tea class, substantially as herein shown and described, characterized particularly as to novelty by the unique combination of a large plant size, exceptionally large and leathery leaves which are very resistant to mildew and blackspot, continuous flower production throughout the year when grown in the greenhouse, a classical, spiral opening flower form, with the flowers being borne on long and unusually thick stems, a distinctive and attractive white flower color, with the flowers being larger than those of any other white-flowered variety grown in the same environment, and very long keeping qualities of the flowers..... originated by the late Eugene S. Boerner, deceased, by crossing an unnamed and unpatented pink-flowered seedling derived from crossing the rose variety known as Revelry (Plant Pat. No. 1,850) X the rose variety known as Pink Masterpiece (Plant Pat. No. 2,294) with an unnamed and unpatented pink-flowered seedling of unidentified parentage but designated at #60-2351 in applicants breeding records.
Notes: