This is willow rust fungus. Spray with an approved fungicide such as Systhane Fungus Fighter from Bayer or Fungus Fighter Plus Concentrate from Westland. Collect and dispose of fallen leaves to reduce the risk of re-infection.
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.
Singapore Botanic Gardens
Singapore
Dubai Miracle Garden
Dubai, United Arab Emirates
RHS Garden, Wisley
Woking, United Kingdom
Shinjuku Gyoen National Garden
Tokyo, Japan
Humble Administrator's Garden
Suzhou, China
Royal Botanic Gardens Victoria
Melbourne, Australia