Ferns
Q.

Can you occasionally feed indoor ferns with Epsom salts ?

Zone CAPE TOWN SOUTH AFRICA | reneemontiere2 added on February 26, 2019 | Answered

As you can see from the attached pic, my fern is starting to turn yellow/Brown on the fronds. Look forward to your reply. Thank you Renew.

A.
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drtreelove
Answered on February 27, 2019

Epsom salt is Magnesium sulfate. Without a soil test that determined Mg and Sulfur deficiency, it would be pure guess work to apply such a limited product and ignore the other essential plant nutrients and trace elements.

In my opinion it would be better to use a slow release complete organic fertilizer.

I don't know this company or product but I searched for South Africa and it sounds like they are in line with modern COF (complete organic fertilizer) standards.

https://www.talborne.co.za/product-information/fertilisers.html

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