The most common cause is a period of cold weather when the developing flower buds may turn yellow and fall off. This is a disorder, rather than a pest or disease and some varieties are more susceptible than others.
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.
Royal Botanic Gardens Victoria
Melbourne, Australia
Monet's Garden, Giverny
Giverny, France
Rikugien Gardens
Tokyo, Japan
RHS Harlow Carr
Harrogate, United Kingdom
Vallarta Botanical Garden
Vallarta, Mexico
Medellin Botanical Garden
Medellin, Columbia