Did you know that Epsom salt isn’t just for soothing sore muscles? This humble mineral—magnesium sulfate—can work wonders for houseplants, promoting lush, vibrant growth. Magnesium plays a vital role in chlorophyll production, enhancing photosynthesis, while sulfate helps plants absorb essential nutrients. Whether you’re a seasoned plant enthusiast or a beginner, incorporating Epsom salt into your plant care routine can lead to stunning results.
Curious about which houseplants thrive with a little Epsom salt boost? Let’s explore 10 houseplants that love this mineral and how you can use it effectively!
1. Peace Lily (Spathiphyllum)

Why It Loves Epsom Salt:
- Peace lilies often suffer from yellowing leaves due to magnesium deficiency. Epsom salt helps restore their deep green color.
- It improves flowering, resulting in larger and more vibrant blooms.
How to Use:
- Dissolve 1 tablespoon of Epsom salt in a gallon of water and use it every 4-6 weeks.
- Apply as a foliar spray for quicker absorption.
2. Spider Plant (Chlorophytum comosum)

Why It Loves Epsom Salt:
- Magnesium supports the growth of its long, arching leaves.
- Enhances the plant’s ability to produce baby spiderettes.
How to Use:
- Water with a diluted Epsom salt solution (1 teaspoon per gallon of water) once a month.
3. Pothos (Epipremnum aureum)

Why It Loves Epsom Salt:
- Prevents leaf yellowing and promotes healthy foliage.
- Boosts nutrient uptake for a fuller, more vibrant plant.
How to Use:
- Mix ½ teaspoon of Epsom salt with a liter of water and use it to water your pothos every 4 weeks.
4. Fiddle Leaf Fig (Ficus lyrata)

Why It Loves Epsom Salt:
- Helps prevent brown spots and leaf curling due to magnesium deficiency.
- Encourages strong stems and large, glossy leaves.
How to Use:
- Add 1 tablespoon of Epsom salt to a gallon of water and use it every 6 weeks.
- Avoid overuse, as fiddle leaf figs are sensitive to excess nutrients.
5. African Violets (Saintpaulia)

Why It Loves Epsom Salt:
- Promotes bright, colorful flowers.
- Supports healthy root development.
How to Use:
- Mix ½ teaspoon of Epsom salt with a quart of water and use it every 3-4 weeks.
- Apply as a foliar spray for a quick nutrient boost.
6. Jade Plant (Crassula ovata)

Why It Loves Epsom Salt:
- Enhances overall resilience and drought resistance.
- Encourages new leaf growth and prevents leaf drop.
How to Use:
- Sprinkle a small amount of dry Epsom salt around the base every 6-8 weeks.
- Alternatively, mix 1 teaspoon per gallon of water and use it every other month.
7. Snake Plant (Sansevieria trifasciata)

Why It Loves Epsom Salt:
- Helps maintain its striking, upright leaves.
- Improves overall plant vigor, making it even more resilient.
How to Use:
- Use a diluted solution (1 teaspoon per gallon of water) every 2 months.
8. Orchids

Why They Love Epsom Salt:
- Encourages vibrant blooms and prolonged flowering periods.
- Strengthens root systems for better nutrient absorption.
How to Use:
- Add 1 teaspoon of Epsom salt per gallon of water and use it once a month.
- Mist leaves occasionally for additional absorption.
9. Aloe Vera
Why It Loves Epsom Salt:
- Promotes strong, succulent leaves filled with soothing gel.
- Helps prevent yellowing and nutrient deficiencies.
How to Use:
- Dissolve 1 teaspoon of Epsom salt in a quart of water and use it every 6-8 weeks.
10. Rubber Plant (Ficus elastica)

Why It Loves Epsom Salt:
- Strengthens stems and enhances glossy foliage.
- Helps prevent leaf discoloration caused by magnesium deficiency.
How to Use:
- Mix 1 tablespoon of Epsom salt in a gallon of water and use it every 6 weeks.
- Wipe leaves with a diluted solution to enhance shine.
How to Apply Epsom Salt to Houseplants
There are a few effective ways to introduce Epsom salt to your houseplants:
- Soil Drench: Dissolve Epsom salt in water and pour it directly into the soil for steady absorption.
- Foliar Spray: Mix Epsom salt with water and mist the leaves for a quick nutrient boost.
- Dry Application: Sprinkle a small amount of Epsom salt around the base of the plant and water as usual.
Tip: Always test a small amount first to ensure your plant responds well before making it a routine!