Geraniums are a garden favorite thanks to their vibrant flowers, long blooming season, and low-maintenance care. But even these hardy plants can sometimes show signs of stress—yellowing leaves, faded blooms, or slow growth. Fortunately, there’s a quick and natural solution that can dramatically improve the health of your geraniums, helping leaves return to a rich green and weak plants to bounce back with energy.
This easy homemade remedy nourishes your plants, boosts their immune response, and supports both root development and flower production. Whether your geraniums are in pots, flower beds, or on the balcony, this method can restore their vigor and beauty in just a few days.
Why Geranium Leaves Turn Yellow
Before applying any solution, it’s important to understand why your geranium might be struggling. Yellowing leaves are often a sign of one or more of the following issues:
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Nutrient deficiency (especially nitrogen, magnesium, or iron)
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Overwatering or poor drainage
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Underwatering during hot weather
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Rootbound pots
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Aging soil lacking organic matter
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Lack of sunlight
Once you’ve ruled out improper care conditions (such as watering or light), it’s time to replenish the nutrients your geraniums need.
The Solution: Natural Nutrient Booster with Magnesium and Iron
One of the best remedies to stop yellowing and revive tired geraniums is a magnesium sulfate (Epsom salt) and iron-rich fertilizer solution. This combination improves chlorophyll production, strengthens cell walls, and supports root and flower development.
Ingredients:
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1 liter of lukewarm water
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1 teaspoon of Epsom salt (magnesium sulfate)
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10 drops of liquid iron supplement (or use chelated iron for plants)
You can find both of these ingredients at any garden center or pharmacy.
How to Prepare and Apply
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Mix the solution
Dissolve the Epsom salt and iron supplement in the water. Stir well until fully blended. -
Water the soil
Use the mixture to water the base of the plant. Ensure it reaches the roots but avoid soaking the soil completely. If the plant is in a pot with poor drainage, be sure to let excess water escape. -
Spray the leaves (optional)
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