I'm trying a (own-root) Prairie Harvest rose here in our no spray Central Pa garden this year. So far this rose has done very well in it's first season. No BS or PM... I'll report back at the end of next year...
Surprised to see so few comments about this very useful rose. After a decade in my garden with no fungicide, 'Prairie Harvest' is still quite free of blackspot. It does get some cercospora, but that is not a serious problem. PH is a vigorous grower that can make a large shrub, or can be kept to HT scale with annual pruning. It gives a fast, heavy repeat. The buds have HT form but do blow quickly and shatter. They can be used for cutting, but should be picked when the sepals just start to separate. PH sets a lot of hips and should be deadheaded. As you would expect of a Buck rose, but unlike most yellow HTs, it is cane hardy to below zero F.
Strongly recommended for no-spray gardens in blackspot country.
