How Long Does Weed Killer Stay In Soil?

I made a homemade weed killer of salt, vinegar and dishwashing liquid. I sprayed about 20 oz of this under a porch swing to kill the weeds and grass growing through the brick underneath. What I didn’t pay attention to is my small scrub next to the swing and never thought this concoction would damage those roots. My question is how long does this stay in the soil, can I replant another bush or buy another one? Thanks in advance

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1 Comment To "How Long Does Weed Killer Stay In Soil?"

#1 Comment By GKH_Susan On 04/15/2024 @ 8:49 am

Salt can be problematic in soil and I don't know how much was used. Salt will make soil inhabitable for plants. If your spray drained to the shrub, try to flush it with water and make sure it drains well to reduce the amount of salt. If it killed the shrub, you may need to plant a new one a short distance from where the concoction contacted the soil. Here is more:

https://www.gardeningknowhow.com/special/organic/homemade-pet-friendly-weed-killer.htm ^[1]
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/reversing-soil-salinity.htm ^[2]

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[1] https://www.gardeningknowhow.com/special/organic/homemade-pet-friendly-weed-killer.htm: https://www.gardeningknowhow.com/special/organic/homemade-pet-friendly-weed-killer.htm

[2] https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/reversing-soil-salinity.htm: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/reversing-soil-salinity.htm

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