This is usually caused by a form of grey mould fungus, spread by water splashes. Spraying young growth and flower buds (before they open) with Fruit & Vegetable Disease Control from Bayer should protect the flowers. Remove and burn any rotten flowers and stems.
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.
Kenrokuen Garden
Kanazawa, Ishikawa, Japan
Royal Botanic Garden Sydney
Sydney, Australia
Gardens of the Generalife, Alhambra
Granada, Spain
Pamplemousses Botanical Garden
Pamplemousses, Mauritius
Royal Botanic Gardens, Kew
Richmond, United Kingdom
Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland