Good morning, hope you are enjoying this very autumnal weekend. I was given a David Austin golden celebration rose a couple of months ago that I have been unable to plant out befire this weekend. It has had black spots in the newer leaves and yellow spots on the older dark green leaves. The flowers look pretty limp and unhappy too. I had been pulling the worst affected leaves off but now it seems every part is affected.
Does anyone know what's wrong with it and if I can do anything to help? Or is it just losing its leaves because autumn is here?! It says on the instructions to prune in spring but I wonder if I pruned it down before planting out that would control the disease a bit....
any advice gratefully received!