'Joanna Hill' rose Description
Photo courtesy of Robert Neil Rippetoe
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Light yellow, darker center, ages to cream . Mild to strong fragrance. Medium to large, semi-double to double, borne mostly solitary bloom form. Blooms in flushes throughout the season. Long, pointed buds.
Thornless (or almost), upright.
Height of up to 4' (up to 120 cm).
USDA zone 6b and warmer. Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.
Difference of opinion about parentage (See References)