'John S. Armstrong' rose Description
Photo courtesy of Marianna Malik
Dark red Grandiflora.
Registration name: John S. Armstrong
Exhibition name: John S. Armstrong
Dark red. Mild fragrance. 40 petals. Medium-large, full (26-40 petals), cluster-flowered, in small clusters, exhibition bloom form. Blooms in flushes throughout the season. Ovoid buds.
Tall, bushy. Semi-glossy, dark green, leathery foliage.
USDA zone 7b 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. Requires spring freeze protection (see glossary - Spring freeze protection) .