What are EPSOM SALTS Supposed to do for Plants? Epsom salts contain hydrated magnesium sulfate, two elements crucial to plant growth. Sulfur (13%) is crucial to the inner workings of plants, but it is almost never lacking in the soil, thanks in part to synthetic fertilizers and acid rain. Magnesium (10%) can become scarce in soil, usually because of erosion or depletion of the top soil or a pH imbalance. Some plants, like lettuce and spinach, don’t mind going without magnesium. Others may exhibit symptoms like leaf curing, stunted growth, that could be attributed to more than one cause. Magnesium deficiency has even been blamed as a cause for bitter tomatoes. In general, magnesium plays a role in strengthening the plant cell walls, allowing the plant to take in the nutrients it needs. It also aids in seed germination, photosynthesis and in the formation of fruits and seeds. Do EPSOM SALTS Really Help Plants Grow Better? Researchers have never been terribly impressed with the effects of Epsom salts on plants and some think it is wrong to continue encouraging it. Gardeners are a different story and the use of Epsom salts is a gardening tip passed down for generations. While many gardeners simply toss in a handful of Epsom salts at planting time, it really is wiser to test your soil first. Epsom salts are not going to cure an extreme magnesium deficiency and are generally considered more effective in acid soils, where magnesium is not easily accessed by plants. Three garden plants for which Epsom salts are most often recommended are: Tomatoes, Peppers and Roses. A WORD OF CAUTION!!!!!!!!: Epsom salts sprayed on leaves can cause leaf scorch. Do not over use and do not spray on hot, sunny days.
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