World Plants

Rosa 'Ausmas' (Graham Thomas® Austin Rose)

USDA Hardiness Zone	6b - 7a
USDA Hardiness Ref.
Canadian Hardiness Zone	6a - 6b
Canada Hardiness Ref.
RHS Hardiness Zone	H6
RHS Hardiness Ref.
Temperature (°C)	-21 - (-15)
Temperature (°F)	-5 - 5
Height	1.2 m
Spread	1.5 m
Growth	Medium
Flowering Period	May, June, July, August, September

General Description	This cultivar has large, pale-orange flowers that bloom during the summer. Delicate, ovate leaves extend from the thorn-riddled stem.
Shape	Bushy.
Landscape	Shrub or mixed border, specimen, or hedge.
Propagation	Propagate by hardwood cuttings.
Cultivation	Grows best in average, medium moisture, well-drained soil. The best flowering and disease resistance occur in full sun. Water heavily and regularly but avoid overhead watering.
Pests	Black spot, powdery mildew, rust and rose rosette.
Notable Specimens	Niagara Parks Botanical Garden, Niagara Falls, Ontario, Canada. Chelsea Physic Garden, London, United Kingdom.
Habitat	Horticultural origin.
Flower Description	Showy, yellow flowers. They are medium sized cup shaped flowers and their colour is an unusually rich, pure yellow that would be hard to match even among modern roses, and is entirely missing from old roses. There is a medium-strong, fresh tea rose fragrance.