Sick Dahlias - Ask Extension
Hello,
My Dahlias were thriving two weeks ago and now are looking sickly. They are now wilty and not absorbing water as well.
Knowledgebase
Sick Dahlias #798392
Asked June 28, 2022, 7:38 PM EDT
Hello,
My Dahlias were thriving two weeks ago and now are looking sickly. They are now wilty and not absorbing water as well.
Ramsey County Minnesota
Expert Response
Your containers look crowded, and dahlias need a lot of moisture. Low moisture and hot days could have caused the wilting. Begin watering heavily to see if they revive. If they do not, the cause might be verticillium wilt. Look also for pests. The attached article contains a question similar to yours, and the expert's answer.
https://www.torontomastergardeners.ca/askagardener/dahlia-with-drooping-leaves/
https://www.torontomastergardeners.ca/askagardener/dahlia-with-drooping-leaves/