Powdery mildew is worse if air circulation is poor or the plants are not getting enough moisture. So keep them well watered and try sprays of Plant Rescue for Fruit Veg and Flowers from Westland from Westland or Systhane Fungus Fighter from Bayer.
![]() | 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.
The New York Botanical Garden
New York, United States
Royal Botanic Gardens, Kew
Richmond, United Kingdom
Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland
RHS Harlow Carr
Harrogate, United Kingdom
Villa d'Este Gardens
Tivoli, Italy
Koishikawa Korakuen Gardens
Tokyo, Japan