American Pillar rambler
I have an old American Pillar rambler which invariably gets mildew every year but has still flowered beautifully in the past. This year all the bud clusters have turned brown and shrivelled, and there are virtually no flowers. The rose is healthy and vigorous otherwise (maybe a bit too vigorous). Is this a problem caused by weather? We had a very mild spring here in Cornwall and then a couple of sudden frosty nights. The rose is growing on a south-facing wall. None of the other roses along this wall were affected this way (Excelsa rambler and some Austin English roses) but some hydrangeas had leaf burn, which they all recovered from. Thanks for any help.