You may want to have your soil tested before adding epsom salts. For a general description of why epsom salts are added in some parts of the country see: http://www.msue.msu.edu/msue/imp/modf1/05209703.html Henry A. Kuska, Retired E-mail address. KUSKA@NEO.LRUN.COM My general web page (genealogy included). http://home.neo.lrun.com/kuska/ My genealogy only web page. http://www.familytreemaker.com/users/k/u/s/Henry-A-Kuska/