This is blossom wilt fungus (also causes brown rot of fruit). Spores overwinter on dormant buds and infect flowers as they open. Spray with Systhane Fungus Fighter from Bayer or Fungus Fighter Plus Concentrate from Westland before the flowers open next spring.
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.
Nongnooch Tropical Garden
Pattaya, Thailand
Singapore Botanic Gardens
Singapore
Lalbagh Botanical Garden
Bangalore, India
Pukekura Park
New Plymouth, New Zealand
Royal Botanic Gardens Victoria
Melbourne, Australia
Villa d'Este Gardens
Tivoli, Italy