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What kind of fertilizer can I use for greenhouse tomatoes?

I have some All Purpose Greenhouse fertilizer - is that OK?

For greenhouse tomatoes, buy a premixed soluble fertilizer formulated specifically for greenhouse tomatoes. An all purpose greenhouse fertilizer, i.e. 20-20-20, is a poor choice for tomatoes. Tomatoes need a grade with much lower nitrogen and much higher potassium, as well as several other essential elements.

These companies all make excellent fertilizer for greenhouse tomatoes. Follow the mixing instructions included with the bag:

Total Plant Industries
P.O. Box 805
Winnsboro, LA 71295

Hydro-Gardens, Inc.
P.O. Box 25845
Colorado Springs, CO 80936-5845

Growers Supply Center
3000 South Highway 77, Unit 214
Lynn Haven, FL 32444

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Filed Under: Agriculture, Commercial Horticulture, Commercial Fruit and Nuts, Greenhouse Tomatoes December 11, 2023

RAYMOND, Miss. -- Current and prospective greenhouse vegetable growers can learn about the specialized production method during Mississippi State University’s 2024 Greenhouse Vegetable Short Course on Feb. 27-28. The course will be held at the North Mississippi Research and Extension Center’s Magnolia Building in Verona from 8 a.m. to 5 p.m. each day. It is open to greenhouse vegetable producers throughout the Southeast.

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