Learn which plants thrive in your Hardiness Zone with our new interactive map!

Can Epsom Salts Be Used on House Plants?

By Lizz Shepherd ; Updated September 21, 2017

Epsom salts are used on plants that have a magnesium deficiency, though they are generally not necessary if a general fertilizer is used. If there is no deficiency, adding Epsom salts to the soil can result in leaf damage.