Epsom Salt for Ferns to Keep Them Lush & Green

Epsom Salt for Ferns can do wonders! It can make your fern plants greener and lusher. How? Find out in this article.

Also Read: How to Grow Ferns

Epsom Salt for Ferns can do wonders! It can make your fern plants greener and lusher. How? Find out in this article.

Magnesium Deficiency in Plants

If the leaves of your fern plants are pale or yellow and slow growth. It may be due to leaf chlorosis–A condition in which plant leaves produces less chlorophyll. One of the main reasons behind this condition is the deficiency of magnesium.


Container plants often face this problem because of the constant leeching of plant elements due to watering. Low temperatures, acidic soil, excess potassium, or sodium are also a few factors that cause magnesium deficiency.

Also Read: 13 Epsom Salt Uses in Garden

Sulfur Deficiency in Plants

Similarly, lack of sulfur causes yellowing leaves, particularly between the veins of the leaves. These symptoms occur first in young plant leaves–pale green to yellow foliage, lack of growth and small and no lush plants.

Sulfur content in soil reduces due to watering movement, most common in container plants. Sandy and poor soil low in organic matter, cool climate, and acidic substrate (less than pH 5.5).

Also Read: How to Identify Deficiencies in Plants

How Epsom Salt for Ferns can Help?

Epsom salt for ferns Epsom salt contains 10 percent Magnesium and 13 percent Sulfur, application of it can increase both. And, we know they are the second most important essential nutrients after Nitrogen, Phosphorus, and Potassium. They help in chlorophyll production, healthy plant growth, and resistance against diseases and pest. Both of them are required if you want to grow Lush and Green Ferns.

Also Read: Epsom Salt for Hostas

How to Apply?

If you see the following symptoms mentioned above: Add 2 tablespoons of Epsom salt in 1 gallon of water and spray once in a month on the foliage when your ferns are growing actively. Reduce the quantity to 1 tablespoon per gallon of water, when the growth slows. The foliar application will make your ferns lush and healthy. *If you’re growing ferns in cold climate, avoid applying Epsom salt in winters.

You can also mix a pinch of Epsom salt in balanced fertilizer before applying. Or, if you like, administer the dose of 1 tablespoon of Epsom salt around the base of your fern plants once in a month until you see the favorable results.

Also Read: Epsom Salt for Tomatoes


  1. Simple explanations coupled with love for God’s magnificent creation thank you appreciate all the time and effort you have put to give us help un caring for our plants


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