This sounds like virus, which is usually carried by greenfly. There is no cure so you will have to dig up and burn the old plants and start with new, bought canes. Varieties like Joan J and Malling Minerva are very popular at the moment.
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.
Gardens of the Generalife, Alhambra
Granada, Spain
Majorelle Garden
Marrakesh, Morocco
Royal Botanic Gardens, Kew
Richmond, United Kingdom
The New York Botanical Garden
New York, United States
Humble Administrator's Garden
Suzhou, China
Pamplemousses Botanical Garden
Pamplemousses, Mauritius