Home > Question >

How do I prevent pests and diseases in dahlias?

Our Advice:

Dahlias are susceptible to a variety of pests and diseases, including aphids, spider mites, powdery mildew, and stem rot. To prevent these issues, keep the plants healthy and well-watered, remove any infected or damaged foliage, and apply insecticidal soap or neem oil as needed.

This video may also help:

Here are some related questions:

Not what you are looking for?

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.

Here is some more information for you:

Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.

Ask another gardening question:

Learn More About Pests and Diseases

Gardening Projects for May

---

How to Care for Early-Flowering Clematis

How to turf a lawn

How to Root Carnations

How to: Maintenance Pruning

Latest Gardening Videos

---

How to tie gooseberries and redcurrants

How can I get rid of a red ant nest in my lawn?

Why are my pansies and violas wilting?

How do I protect my tulips from squirrels and other pests?

Five Essential Tips for Growing Lemons

Training Sweet Peas

All Videos

Explore Gardens from Around the World

Ritsurin Garden
Takamatsu, Japan

Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland

Gardens of the Generalife, Alhambra
Granada, Spain

Longwood Gardens
Pennsylvania, USA

Royal Botanic Gardens Victoria
Melbourne, Australia

Singapore Botanic Gardens
Singapore