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Zucchini Plants

Q.Can I Use Egg Shells For Calcium In My Zucchini

Zone Redford MI 48239 | sandravalla00 added on June 22, 2020 | Answered

I have potted zucchini plants that have some yellow leaves. Is this a calcium deficiency and if so can I use egg shells for calcium?

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Certified GKH Gardening Expert
Answered on June 23, 2020

Unfortunately, your photo did not come through. Many deficiencies cause yellowing, and it will depend on where the yellowing occurs and how it appears.

A soil test will tell you, without guesswork, what deficiencies you are looking at.

As far as calcium goes... eggshells are a wonderful source of calcium- AFTER it is composted. It will not be available in the near future for your plant to use.

Epsom salts will be a quick form of calcium when used as a foliar spray, but make sure that you actually have a calcium deficiency before you apply it. You wouldn't want to apply more calcium than is needed, or you risk locking out other nutrients.

Here are some articles that will help:





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