Commercially available

19 favorite votes.  

Deep yellow Shrub.
Registration name: Ormiston Roy

Bred by S.G.A. Doorenbos (Netherlands, 1953).

Hybrid Spinosissima, Shrub, Species Cross.  

Deep yellow.  Average diameter 2.75".  Medium, single (4-8 petals) bloom form.  Once-blooming spring or summer.  

Bushy.  Small foliage.  7 to 9 leaflets.  

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

USDA zone 6b through 9b (default).  Disease susceptibility: disease resistant.  Needs little care; relatively disease-free and quite hardy.  Prune lightly or not at all.  

See References for differences of opinion about the parentage of this rose. The parentage may be:
Allard x R. spinosissima
or
(Allard x R. spinosissima) x (Allard x R. spinosissima)

Dedicated to William Ormiston Roy (1874 - 1958), Canadian landscape architect of Scottish origin, superintendent of the Mount Royal Cemetery of Montreal from 1898 onwards.