Re-Using Potting Soil

I’m growing herbs and veggies in containers. Can the potting soil be re-used for the next batch of seeds?

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1 Comment To "Re-Using Potting Soil"

#1 Comment By Heather On 10/06/2011 @ 10:33 am

It can, but you need to be aware of 2 things. First, the nutrients in the soil will have been depleted, so you will need to replace those with either adding fertilizer or compost. Second, old potting soil can harbor pests and disease, so it is best to sterilize it before reusing. Here is an article on sterilizing soil:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/sterilizing-soil.htm ^[1]

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