Rosa
'Ausmas'
Graham ThomasĀ® Austin Rose
Family |
Rosaceae |
Genus |
Rosa |
Cultivar |
'Ausmas' |
Category |
Woody |
Type |
Shrub (deciduous) |
Registered Name |
Graham Thomas® |
USDA Hardiness Zone |
6b - 7a |
Canadian Hardiness Zone |
6a - 6b |
RHS Hardiness Zone |
H6 |
Temperature (°C) |
-21 - (-15) |
Temperature (°F) |
-5 - 5 |
Height |
1.2 m |
Spread |
1.5 m |
General Description |
This cultivar has large, pale-orange flowers that bloom during the summer. Delicate, ovate leaves extend from the thorn-riddled stem. |
Landscape |
Shrub or mixed border, specimen, or hedge. |
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. |
Shape |
Bushy. |
Growth |
Medium |
Pests |
Black spot, powdery mildew, rust and rose rosette. |
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. |
Notable Specimens |
Niagara Parks Botanical Garden, Niagara Falls, Ontario, Canada. Chelsea Physic Garden, London, United Kingdom. |
Propagation |
Propagate by hardwood cuttings. |