By Bustermoz
Tyne And Wear,
United Kingdom 
red robin leaves are completely covered in black spot
22 Apr, 2010
Answers
Mine has to but think its leaf and just with all this cold weather.
23 Apr, 2010
If its definitely black spot, and not leaf spot, then spray with a fungicide that treats black spot. If you're not sure, post a photograph
22 Apr, 2010