Dahlias need plenty of water and must be well-fed. They need plenty of nitrogen early in the season to promote growth then a top dressing of Vitax Q4 or Rose Food from Westland watered into the soil in mid-summer to encourage flowering.
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.
RHS Harlow Carr
Harrogate, United Kingdom
Royal Botanic Gardens, Kew
Richmond, United Kingdom
Medellin Botanical Garden
Medellin, Columbia
Butchart Gardens
British Columbia, Canada
RHS Garden, Wisley
Woking, United Kingdom
Longwood Gardens
Pennsylvania, USA