[mdoms]

I see the gypsum misinformation continues to thrive in the gardening world. Please keep in mind while reading articles like this that this world is absolutely riddled with old wive's tales, misinformation and muddled correlations.

If you're interested in when gypsum will and (most likely) won't work for you, read this article. It's based on actual science and brings receipts.

https://www.gardenmyths.com/gypsum-improve-clay-soil/

[gregwebs]

Garden myths is a great site. Here is another similar article on how to determine when gypsum will work: https://www.ccmaknowledgebase.vic.gov.au/brown_book/07_Gypsu...