'Royal William' rose Description
Photo courtesy of Henrique Rodrigues Vivián
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Dark red Hybrid Tea.Registration name: KORzaunExhibition name:
Dark red. Strong, spice, sweet fragrance. 30 to 35 petals. Average diameter 5". Large, high-centered bloom form. Blooms in flushes throughout the season.
Height of 30" to 47" (75 to 120 cm). Width of 2' to 30" (60 to 75 cm).
USDA zone 7b and warmer. Disease susceptibility: very disease resistant. 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) .
Germany - Patent No: 839 823
New Zealand - Patent No: 479 on 18 Jul 1989
Application No: ROS275 on 29 Feb 1988
Trade Name: Royal William.
In References, you'll see mentioned The Glorious Revolution. In English, during 1688-89, Catholic James II was deposed and Protestant William III and Mary II ascended to the throne and Parliament, through the Bill of Rights, was accorded a more important position in the government of the country which it has maintained ever since.
In September 1998, the Montreal Botanical Garden (Le Jardin Botanique de Montreal) carried out a survey of its roses' resistance to black spot, powdery mildew and rust. This is one of the outstanding varieties which showed a 0% to 5% infection rate. The data was taken on well-established roses.