If you really want to test things out, try growing two identical plants: one with Epsom salt fertilizer and one without. Then let us know in the comments if you noticed a difference. Remember, Epsom salt is not the same as table salt!Table salt, or sodium chloride, in large doses, is...
Apply a cup of Epsom salt mixed in a gallon of water to soil at the base of the plant when buds first begin to open in the spring. Continue to use Epsom salt dissolved in water (half a cup of Epsom salt per gallon of water) applied as a foliar spray throughout the growing season....