PURPLE SPOT

What is it? This is similar to blackspot in appearance. The leaves turn yellowish, and purple spots appear on them. It's not however caused by a fungus, it's just that your rose is a bit stressed.

Advice: Give it a bit of love. Feed it, water it, and mulch it.

If you aren't sure wheather its blackspot or purple spot, don't worry. Give it a spray of systemic fungicide as well just to be on the safe side.