Keeping weeds out of seed trays.

Asked July 12, 2020, 5:02 PM EDT

I put potting soil in trays, plant seeds water wait and all I get are weeds . How to treat potting soul to eliminate weed seeds and prepare soil for flower seeds.

Oakland County Michigan

1 Response

Hello,

Commercial potting soils should be weed free already. But, if you had an open bag exposed to the outdoors, seeds could have gotten into the mix.

Here is how to prepare potting soil at home-

https://extension.psu.edu/how-to-pasteurize-medium-and-sterilize-containers-and-tools

https://extension.oregonstate.edu/news/how-make-your-own-potting-soil