SKU: 30444512161
slow release fertilizer for tomato plants

slow release fertilizer for tomato plants Tomato Fertilizer 4-18-38 Suitable for soil, foliar and hydroponics – Greenway Biotech, Inc

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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

slow release fertilizer for tomato plants Tomato Fertilizer 4-18-38 Suitable for soil, foliar and hydroponics – Greenway Biotech, IncTomato Fertilizer 4 18 38 is a premium, 100% water soluble fertilizer formulated for the flowering through harvest window of fruiting nightshade crops. The low nitrogen, high phosphate, very high potassium ratio is tuned to fruit development rather than leafy growth, with EDTA chelated iron, manganese, zinc, and copper plus boron and molybdenum in every bag. Potassium supports fruit sizing, sugar transport, firmness, and post harvest quality, while

Tomato Fertilizer 4-18-38 is a premium, 100% water-soluble fertilizer formulated for the flowering-through-harvest window of fruiting nightshade crops. The low-nitrogen, high-phosphate, very-high-potassium ratio is tuned to fruit development rather than leafy growth, with EDTA-chelated iron, manganese, zinc, and copper plus boron and molybdenum in every bag.

Potassium supports fruit sizing, sugar transport, firmness, and post-harvest quality, while available phosphate supports flowering and fruit set and the controlled 4% nitrogen keeps energy directed toward fruit. It is well suited to tomatoes, peppers, eggplants, tomatillos, and other fruiting nightshades, and dissolves cleanly for soil, container, drip fertigation, hydroponic, and foliar use.

This formula does not contain calcium by design — calcium and phosphate should not be combined in concentrated stock solution, so a separate calcium source should be applied independently for a complete program. Pre-dissolve each fertilizer separately, check pH and EC, and for foliar use, spray in early morning or late afternoon below 85°F. Store sealed and dry.

CDFA registered and third-party lab tested for heavy metals, with results consistently well below required limits.

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SKU: 30444512161

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★★★★★ 5
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Reviewed in the United States on May 13, 2026
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S. J. Mcdonald
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★★★★★ 4
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Color: Burgundy, Size: Standard (20'' x 26'')
Excellent quality but sold with the expectation of some shrinkage. Once I ran them through a med high dryer the fit was great. They live up to the idea that they are made for hot sleepers
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Reviewed in the United States on April 15, 2026
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Jessica Campbell
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★★★★★ 5
Soft and durable
Color: Olive, Size: King (20'' x 36'')
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Reviewed in the United States on March 16, 2026
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Julia
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A huge bamboo fan approves!
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Reviewed in the United States on April 24, 2026

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