Used Soil

peterbirch567 added on October 4, 2017 | Answered

I have just emptied two large troughs of Herbs etc. The remaining soil is full of roots. Can I re use the soil elsewhere in my borders if I big it in or will the old roots continue to grow and make it impossible to grow new plants in that area ? Peter Birch.

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Answered on October 4, 2017

If this is potting soil mix, I suggest you compost it. You can reuse it or regular garden soil but it will be low in nutrients. I suggest you mix in 25-50% compost by volume. The roots will compost/degrade except aggressive herbs like mint, comfrey and lemon balm. They come back from pieces of root.

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