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'Milwaukee's Calatrava ™' rose Description
'Pearlescent ™' rose photo
Photo courtesy of Meka George
Availability:
Commercially available
Synonyms:
HMF Ratings:
27 favorite votes.  
Average rating: GOOD.  
ARS:
White, near white or white blend Shrub.
Exhibition name: Milwaukee's Calatrava ™
Origin:
Bred by William J. Radler (United States, 2002).
Introduced in United States by Conard-Pyle (Star Roses) in 2011 as 'Milwaukee's Calatrava'.
Introduced in United States by Heirloom Roses, Inc. (USA) in before 2020 as 'Pearlescent'.
Class:
Shrub.  
Bloom:
White, blush edges.  Strong, citrus fragrance.  up to 21 petals.  Average diameter 2.25".  Medium, double (17-25 petals), borne mostly solitary, cupped, ruffled bloom form.  Blooms in flushes throughout the season.  Ovoid buds.  
Habit:
Tall, bushy, upright.  Large, matte, blue-green foliage.  3 to 7 leaflets.  

Height: 4' to 5' (120 to 150cm).  Width: 42" (105cm).
Growing:
USDA zone 5b through 9b.  
Patents:
United States - Patent No: PP 22,988  on  28 Aug 2012   VIEW USPTO PATENT
Application No: 12/805,912  on  24 Aug 2010
Inventors: Radler; William J. (Greenfield, WI)
The new variety of Rosa hybrida shrub rose plant of the present invention was created during June 2002 at Greenfield, Wis., U.S.A., by artificial pollination wherein two parents were crossed which previously had been studied in the hope that they would contribute the desired characteristics. The female parent (i.e., the seed parent) was the ‘Radbrite’ variety (U.S. Plant Pat. No. 17,391). The male parent (i.e., the pollen parent) of the new variety was the ‘Radell’ variety (non-patented in the United States).
Notes:
Architect Santiago Calatrava designed Quadracci Pavilion, one of the three architectural landmarks that form the Milwaukee Art Museum.