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'Cuthbert Grant' rose Description
'Cuthbert Grant' rose photo
Photo courtesy of Bren's Garden
Availability:
Commercially available
Synonyms:
HMF Ratings:
39 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
Dark red Shrub.
Registration name: Cuthbert Grant
Origin:
Bred by Henry H. Marshall (Canada, 1958).
Introduced in Canada by Agriculture Canada, Morden, Manitoba in 1967 as 'Cuthbert Grant'.
Class:
Hybrid Suffulta, Shrub.  Parkland Series Collection.  
Bloom:
Red, purple shading.  Mild to strong fragrance.  15 to 20 petals.  Average diameter 4".  Large, double (17-25 petals), cupped bloom form.  Occasional repeat later in the season.  
Habit:
Glossy, light green foliage.  
Height of 3' to 4' (90 to 120 cm).  Width of 3' (90 cm).
Growing:
USDA zone 3b and warmer.  Benefits from winter protection in colder climates.  Disease susceptibility: susceptible to blackspot .  
Ploidy:
Triploid
Notes:
See References for parentage.
In September 1998, the Montreal Botanical Garden (Le Jardin Botanique de Montreal) carried out a survey of its roses' resistance to black spot, powdery mildew and rust. This is one of the outstanding varieties which showed a 0% to 5% infection rate. The data were taken on well-established roses.

Ploidy checked by David Zlesak.

 
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