For a number of years, I have had a lot of trouble with blackspot on roses. I found the sprays did not work very well. Any solutions?
44 views0 answers0 votes
Over ten years, Gerry Daly answered more than 5,000 gardening questions. His knowledge is based in science and practical experience, and by working on radio and television. Access to the advice database is open
Simply enter your email address to receive our free weekly email newsletter!