Photo source: Birds and Blooms
"Can you reuse potting soil from year to year? Learn how to select a quality potting mix and how to clean planters for a fresh start each growing season." Comment from Birds and Blooms
I've never really thought about it as I used mine year after year as well as using the same planters. Maybe I was lucky there were no problems.
Click here to go to the Birds and Blooms article.
