Aster Plants
Q.

Does asters yellow contaminate the soil?

Zone Philadelphia, PA | MNist added on June 23, 2015 | Answered

I have a clear case of asters yellow in one of my favorite coneflowers. Of course, I will destroy it, but wonder if I can plant a new one in its spot next year? I would hate to keep losing plants. Thanks.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on June 23, 2015

From all the research I looked at, no it does not stay in the soil. It has to live in the host plant.
I think I would wait and make sure all the roots were gone from the location.
Here are a few articles.

https://www.gardeningknowhow.com/plant-problems/disease/aster-yellows-disease.htm
https://www.ag.ndsu.edu/cpr/plant-pathology/understanding-aster-yellows-7-26-12

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