[Marie]

Hi,
My father-in-law is having a hard time getting fruit on his tomato plants. Mine are doing great, they are the size of apples and in my household we are doing a greenhouse method. Back to my question. His plants are flowering (only) and some flowers drop. But, he is not getting any fruit bearing on the plant. He used a hotter mix of slow release fertilizer (we used a colder fertilizer for all of our plants…we are doing the Earthbox method.)

What is he doing wrong?

Marie

[Eric Vinje]

Hi Marie!

Were you perhaps referring to using a stronger concentration or heavier feeding regime with your use of the word hotter? If so I would almost guarantee that a Ca/Mg deficiency is what you are experiencing. Tomatoes require calcium and magnesium supplements for proper fruit formation as well as preventing blossom end rot disease. I would suggest adding a Calcium and Magnesium supplement to your feeding regime. Roots Organics Elemental or General Organics CaMg+ would fit your needs perfectly.

https://www.planetnatural.com/product/camg/
https://www.planetnatural.com/product/roots-organics-elemental/

Good Luck!

[Author]

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