Knowledgebase

Mixing Old and New Soil #864124

Asked April 11, 2024, 2:12 PM EDT

Is it ok to mix old and new soil for potting plants?

Prince George's County Maryland

Expert Response

If you haven't had any root diseases then it is fine to re-use some old potting media. It does break down over time, so mixing about half of the content with new mix is best. 

If you did have a disease you should compost the old and use all new in the pots. 

Emily

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