The magnesium and sulfur found in Epsom salt are essential nutrients that support healthy plant growth and fruit development.
However, opinions on its efficacy vary among gardening experts.
Here’s how and when to use Epsom salt to benefit your tomato plants.
The Spruce / Jason Donnelly
If your soil needs magnesium, thenadding Epsom saltsmay be a helpful treatment.
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Improves Chlorophyll Production
Magnesium is a crucial component of chlorophyll, the compound plants use in photosynthesis.
The Spruce / Jason Donnelly
While some might call it a miracle treatment, some experts say it can do more harm than good.
Rather, it leads to more of it.
Blossom end rot is because of a deficiency of calcium.
The Spruce / Jason Donnelly
Epsom salt contains magnesium sulfateno calcium at all, hewrote.
David Austin, residential horticulture agent and master gardener coordinator in Highlands County, Florida, agrees.
Of course, if your plants are deficient in magnesium, they will grow more vigorously with its addition.
Tomatoes can be fertilizedwith Epsom salt every two to four weeks.
It’s important to monitor your plants and soil to avoid over-software, which can lead to nutrient imbalances.
Sprinkling Epsom salt directly around your tomato plants is less effective than dissolving it in water.
