Knowledgebase

Aster Yellows #867839

Asked May 10, 2024, 7:49 AM EDT

I’ve seen many posts on the Grow With Care Facebook page with photos of malformed dandelions with multiple blooms and thick stems. Should gardeners be taking precautions to protect flower and vegetable gardens against aster yellows, as leaf hoppers also feed on dandelions? Or what’s affecting dandelions this season? Most of the posters live in the twin cities areas.

Le Sueur County Minnesota

Expert Response

See this web page on aster yellows.
https://extension.umn.edu/plant-diseases/aster-yellows
Also interesting dandelion information.
https://hort.extension.wisc.edu/articles/dandelion-taraxacum-officinale/
As to what is affecting dandelions in the Twin Cities, I was unable to find any research web sites on dandelion diseases. 

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