2 favorite votes.  

Shrub.

Bred by Walter Schowalter (Canada, circa 1966).

Shrub.  

Pink blend, light pink edges, white center, yellow stamens.  5 petals.  Average diameter 3".  Single (4-8 petals) bloom form.  Occasional repeat later in the season.  

9 leaflets.  

USDA zone 2b and warmer.  Very hardy.  very vigorous.  This rose blooms on old wood.  

Percy Wright gave W Schowalter 46 seedlings; this is a selection from these. This is Ross Rambler (RR) #6. Grows to 3.5m. Pale pink flowers shading to white toward centre, single, 5 petalled, opening flat, 7.5 cm in diameter. Leaflets 9. Suckers sparingly. Some rebloom in August. [WS notes]

Seedling from Ross Rambler, open-pollinated.