Commercially available

• 58180901
• RSM 30

39 favorite votes.  
Average rating: EXCELLENT-.  

Dark red Shrub.
Registration name: Cuthbert Grant

Bred by Henry H. Marshall (Canada, 1958).
Introduced in Canada by Agriculture Canada, Morden, Manitoba in 1967 as 'Cuthbert Grant'.

Hybrid Suffulta, Shrub.  Parkland Series Collection.  

Purple and red.  Strong fragrance.  Large, double (17-25 petals), cupped bloom form.  Occasional repeat later in the season.  

Height of 4' (120 cm).  Width of 3' (90 cm).

USDA zone 3a and warmer.  Disease susceptibility: very disease resistant.  

Triploid

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.