Crepe Mertle Trees - Knowledgebase Question

Madison, Mi
Question by sdivineor
February 22, 2009
I heard that Epson Salt is good for Crepe Mertles. If so, what does it do for the tree and when should I apply it? If it isn't good for the trees, what natural ingredient should I feed the trees?

Answer from NGA
February 22, 2009


Epsom salts provide magnesium and sulfur, both of which contribute to plant growth. Perhaps more importantly, both can contribute to the pH of the soil and so have a positive effect on the absorption of other nutrients. Yes, both magnesium and sulfur are usually in the soil, but intensive gardening can deplete them. Like most home remedies, this one has plenty of fans because it works for them, and there is some research such as that done by the National Gardening Association that shows positive results. Sprinkle it lightly at the base of the tree in the spring. Best wishes with your crape myrtle!

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