Morden Sunrise is extremely lovely--one of the most beautiful--in the first, spring flush. My experience with it, however, is that in a wet year it will be devoured by blackspot. And I do mean devoured!

Available from - kelly simpson
ksimpson10@comcast.net

I found the parentage info here:
http://www.rosehybridizers.org/forum/message.php?topid=6558#6592

Paul wrote: The pedigree of 'Morden Sunrise' is 'Sunsprite x ('Prairie Princess' x #84) x (J6 x J5). Parents of #84 are Rosa arkansana, 'Assiniboine' and 'White Bouquet'. Parents of J6 are Rosa arkansana (2), 'Assiniboine'(2, 'Adelaide Hoodless','Fire King (2)and 'Austrian Copper'. Parents of J5 are Rosa arkansana, 'Assiniboine', 'Hazeldean' and 'White Bouquet'.

J5 I regard as the most beautiful Rosa spinosissima cultivar ever developed. Semi-double, pink, orange and yellow flowers on a tall shrub. At one time it was sold in the U.S. and might still be available there.

'Morden Sunrise'generally does quite well on the Canadian Prairies, although in some locations it mildews badly in late summer. However, at the Edmonton, Alberta Devonian Botanic Gardens the plants have been infected badly by blackspot and they will be replaced next year with 'Rabble Rouser'.

At Hole's Greenhouses in St. Albert (Edmonton), 'Winnipeg Parks' is the best selling shrub rose. 'Morden Sunrise' is number two in popularity.