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After the last 5 days of rain, some of my dahlias are wilting both leaves and flowers.

Is it necessary to cut them back or lift out of the ground?

Flowers and Ornamentals • Garden Jobs

Hi Dave,

Thank you for contacting Yates.

Sounds like excessive rain has suffocated the tubers of Dahlia. You may try lift up the plant and replant in either raised garden beds or pots. Also, spray plants with 'Yates Anti Rot'  to prevent further issues. It is a systemic fungicide which is absorbed by the foliage and travels down to the roots, can be used on various plants to control phytophthora root rot, crown rot and collar rot. 
Hope this helps and happy gardening :)



Answered: 31 Mar, 2021

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