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'Royal William' rose Description
'Royal William' rose photo
Photo courtesy of Maurice REYBAUD
Commercially available
HMF Ratings:
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Average rating: EXCELLENT-.  
Dark red Hybrid Tea.
Registration name: KORzaun
Exhibition name: Royal William
Bred by Reimer Kordes (1922-1997) (Germany, before 1983).
Hybrid Tea.  
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: 30" to 47" (75 to 120cm).  Width: 2' to 30" (60 to 75cm).
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.
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