Datura Plants
Q.

Will datura poison a garlic bed?

Zone 48640 | Anonymous added on September 16, 2019 | Answered

We have Datura plants growing heavily in a bed where garlic was harvested in July. Since mid-July they've grown to 3 ft. tall. We are going to pull them up...will they leave any compounds in the soil to harm next year's garlic?

A.
A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on September 17, 2019

It might. I found a publication from Purdue that said studies show alkaloids from datura plants were harmful to crops. Allelopathic effects had been reported.

https://www.gardeningknowhow.com/garden-how-to/info/allelopathic-plants.htm

https://hort.purdue.edu/newcrop/CropFactSheets/datura.html

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