Epsom Salts
A gardener wrote in recently asking if Epsom Salts are organic.
I think we should break this question down into two questions:
1) Are Epsom Salts organic?
2) Are Epsom Salts safe to use in organic gardening?
The short answer to both questions is yes, but for the sake of clarity, I'll explain a little further.
Microsoft Encarta defines Epsom Salts as the following:
"Epsom Salts, common name for colorless or white crystalline salt (magnesium sulfate hepta-hydrate, MgSO4·7H2O) found in the minerals kieserite and epsomite and in mineral waters. Epsom salt was first prepared at Epsom, England. ...
