A product called Sulphur Rose (sold as a rose tonic) helps prevent the development of fungal spores from both blackspot and powdery mildew, as well as improving the overall growth of the plant.
Gardening Expert: |
If you can't find what you are looking for on the website then you can ask one of our experts. To get in touch with us Click Here
We will try to get back to you with an answer as soon as we can.
Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.
Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland
Dubai Miracle Garden
Dubai, United Arab Emirates
Royal Botanic Gardens, Kew
Richmond, United Kingdom
Kirstenbosch National Botanical Garden
Cape Town, South Africa
Humble Administrator's Garden
Suzhou, China
Majorelle Garden
Marrakesh, Morocco