Lily Of The Valley Plants
Q.

Killing Lily of the Valley

Zone 04464 | dlward36250 added on April 15, 2017 | Answered

I read your article about killing Lily of the Valley. We want to put up a pen for our dogs but a good portion of it has Lily of the Valley growing in it. Your article mentioned glyphosate herbicide (Roudup). Our concern is how long would we have to wait before it would be safe for our dogs to be in that area. Do you know? Thank you. Our pet safety is of upmost concern.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on April 17, 2017

By law most herbicides must break down in soil within 14 days.
This article has more information.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-long-does-weed-killer-last-in-the-soil.htm

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