'Rosa xanthina 'Allard'' rose Description
Photo courtesy of Leonard Heller
ARS:
Deep yellow Misc. Old Garden Rose. Registration name: Allard
Bloom:
Deep yellow. Sweet fragrance. Semi-double to double bloom form.
Habit:
Suckers on its own roots. Small foliage.
Height: 47" to 6'7" (120 to 200cm).
Growing:
USDA zone 6b through 9b (default).
Patents:
Patent status unknown (to HelpMeFind).
Notes:
See References for different views of the parentage of this rose, Graham Stuart Thomas suggesting it is related to Harison's Yellow and therefore a Hybrid Spinosissima.
Originated at the Arboretum in Angers before 1902 and in commerce by 1927.
| 
