This is willow rust fungus. Spray with an approved fungicide such as Fungus Fighter Plus from Bayer or Systemic Fungus Control from Doff. This should reduce the spread of the fungus and protect the new leaves, also 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.
Keukenhof
Lisse, Netherlands
Longwood Gardens
Pennsylvania, USA
Rio de Janeiro Botanical Gardens
Rio de Janeiro, Brazil
Royal Botanic Garden Sydney
Sydney, Australia
Gardens of Versailles
Versailles, France
Koishikawa Korakuen Gardens
Tokyo, Japan