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Epsom Salt for Pepper Plants: Recipe and Timing

Epsom salt (magnesium sulfate) helps pepper plants during blooming. Mix 1 tablespoon per gallon of water until dissolved. Spray plants thoroughly at bloom stage, repeat in 10 days. Magnesium aids fruit set and plant vigor.

— Mack Jean, Master Gardener, Tennessee

Organic Gardens: Epsom Salt Overdose on Hydrangeas: Rescue and Prevention; Epsom Salt for Roses and Garden Plants: Pros, Cons, and Better Alternatives; Epsom Salt, Orange Peel, and Lawn Mold: What Works; Epsom Salt on Lawns: Better Alternatives; Fire Ant and Termite Control: Orange Oil, Epsom Salt, and Cedar Mulch Timing; Timing Orange Oil/Epsom Salt for Fire Ants in North Texas; Epsom Salt on Lawns: Only If Soil Test Shows Magnesium Deficiency; Epsom Salts in the Garden: Magnesium Boost and Blossom‑End Rot Prevention; Epsom Salt for Roses: The Magnesium Boost Your Bushes Crave; Epsom Salt Won’t Blue Your Hydrangeas—Use Alum Instead

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