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Epsom Salts for Peppers / Tomatoes?

Posted by juntawillow 5 - Chicagoland Area (My Page) on
Wed, May 16, 12 at 15:44

I read something online suggesting you spray peppers with a mixture of Epsom salts and water (1T to 1G water). You are supposed to spray on the leaves / flowers at bloom time. Has anyone had luck with this? Any other formula you've used? Are you using it for both peppers and tomatoes? If it is recommended - I only have Epsom Salt with Lavender - - would that work just as well?

Thanks in advance!


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RE: Epsom Salts for Peppers / Tomatoes?

While many add Epsom salts to their planting holes or root drench their plants with a mix of it, especially if they know their soil is magnesium deficient or that their soil is too alkaline to enable good magnesium uptake, use of it as a spray is usually restricted to specific times and needs. In other words it isn't a 'routine' use of it.

Foliar feeding magnesium is usually only used when the plant is showing clear sings of magnesium deficiency and is applied only in the early AM, out of the direct sun (like most sprays) to avoid damage to the plants. And yes it can be used on many different vegetables. When applied correctly it produces a pronounced darkening of the green leaf color.

So could you clarify or link to what you read and why that source was recommending its use? Do you feel your plants or soil are magnesium deficient?

See link below and scroll down to pic 255.

DaPS: if you type 'epsom salts' into the search bar here you find many additional discussions about it.

Here is a link that might be useful: Mineral deficiency in plants


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RE: Epsom Salts for Peppers / Tomatoes?

No particular deficiency noted - I actually just planted transplants. I found mention of it on Epsom Salt Council: http://www.epsomsaltcouncil.org/garden/# and at: http://www.garden.org/articles/articles.php?q=show&id=68


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RE: Epsom Salts for Peppers / Tomatoes?

I'm actually experimenting with a zucchini plant. I root drenched with epsom salt and water (1T to 1G) plus a pinch of azomite. I'm still waiting to see if it made any difference. One plant may be too far gone, but another has a lot less damage. I really let the one plant dry out before I was able to diagnose the problem. My tomato plants receive a good foliar at first bloom and again whenever I think about it. About once each month.


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