Commercially available

• 72A48402
• RSM I4

37 favorite votes.  
Average rating: GOOD+.  

Medium pink Shrub.
Registration name: Morden Centennial

Bred by Henry H. Marshall (Canada, 1972).

Shrub.   (Series: Parkland Series Collection)  

Pink.  Mild fragrance.  40 to 45 petals.  Average diameter 4".  Large, very full (41+ petals), in small clusters bloom form.  Blooms in flushes throughout the season.  Ovoid buds.  

Medium, bushy, dense.  Semi-glossy, dark green foliage.  7 leaflets.  

Height: 3' to 4' (90 to 120cm).  Width: 6' (185cm).

USDA zone 3b and warmer.  Can be used for beds and borders, cut flower or garden.  Very hardy.  Disease susceptibility: susceptible to blackspot .  

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.

MR12 has 'Prairie Princess' x ('White Bouquet' x (J. W. Fargo' x 'Assiniboine'))
‘Prairie Princess’, ‘White Bouquet’, ‘Assiniboine’, R. arkansana [Winter Hardy Roses]