The Agnes rose, are very beautiful, and fragrant Hybrid Rugosa roses.
The soft yellow, nicely formed buds open to become double, buff colored flowers with a wonderful lemon fragrance. Opened blooms are amber colored with a deeper amber colored center.
These are once-blooming Hybrid Rugosa roses that continue to bloom for several weeks in late spring.
The double, yellow flowers on the Agnes rose are lightly cupped and open in shape, with thin petals. The flowers are borne over a long period, but rain will sometimes collapse the thin petals. The flowers come singly, on short stalks, all along the stems of the bush.
The bush is quite attractive with upright to arching canes and small, leathery dark green leaves that are rough and ribbed. These fragrant roses have a light, fruity scent.
Usually towards the end of their season, the leaves will show signs of blackspot and rust, but it doesn’t affect the flowering.
Left un-pruned, this shrub rose can grow to be 5-6 feet tall by 5 feet wide, but you can maintain a stricter shape with pruning.
Type Modern Hybrid Rugosa rose
Hybridizer Saunders (Canada) 1900
yellow flowers with deeper colors toward the center. Flowers are 3” across,
Double bloom form Once blooming
Foliage Light green, small sized leaves, wrinkly foliage, prickly canes
Growth Habits Upright to arching, 5’ by 5’.
Fragrance Lemony, Light and Fruity
Hardy zones Very hardy zones 4-8
For the best flower production, and to keep the bush growing vigorously, you should remove about a third of the height of the bush, and periodically remove the old canes.
This rose is NOT recommended for the Midwest regions, because blackspot and winter die back are a real problem.
Agnes is susceptible to blackspot in some regions. As with all Rugosa roses, they do not like to be sprayed, and will show their contempt by quickly dropping their leaves. Rugosa’s are sensitive to foliar sprays.
This rose can tolerate arid and poor soil as long as it is well drained. Full sun is a must.
Warm Autumns will sometimes bring about a second bit of flowers.
You can propagate this rose by cuttings or budding.
Agnes was bred in 1900, but not introduced until 1922. It was named after the breeder’s wife.
There are few yellow colored Hybrid Rugosa roses, and this one is one of the more successful ones.
This rose flowers early, and is very hardy, making it especially popular in very cold climates such as Canada and Scandinavia.