Homeowners struggling with yellow, patchy lawns in summer heat can turn to a simple bathroom item: Epsom salt. According to Eleni Veroutsos of Backyard Boss, this natural mineral helps grass recover and grow back greener without harsh chemicals.
Why Epsom Salt Works on Lawns
Epsom salt is not table salt but a naturally occurring mineral rich in magnesium. Magnesium aids plants in producing chlorophyll, the pigment responsible for green color and photosynthesis. Veroutsos explains: “If you're looking for a way to spruce up your lawn this summer and keep it green and healthy, look no further than using Epsom salt. With the simple addition of Epsom salt to your lawn care routine, you get optimal results without worrying about harsh synthetic chemicals or doing extensive work.”
Increased chlorophyll production helps grass absorb more sunlight, boosting energy for heat survival and quick recovery. This leads to stronger root systems and thicker grass blades. Additionally, lawns retain more water on hot days, reducing brown patches throughout the season.
How to Apply Epsom Salt
To use, mix one tablespoon of Epsom salt per litre of water until fully dissolved. Apply using a sprayer, spreader, or watering can. The best times are morning or early evening, as afternoon sun can reduce water absorption and risk burning grass. Water droplets heat up quickly in peak sun, stressing the lawn further.
Epsom salt is a supplement, not a replacement for regular fertiliser. Overuse can harm soil. Apply once every six weeks, though most lawns need only one treatment per season. This method yields thicker, greener grass without synthetic chemicals, according to Veroutsos.
