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Cheapest plant food per Gallons

Best deal: $0.16 per gallon (99.8% below the median) — Growthrive Bird of Paradise Liquid Fertilizer, 300ml Natural Plant ...

Price range: $0.16 – $511.57 per gallon across 13 offers. Median sits at $103.76.

Top brands showing: Miracle, Fox Farm Fertilizer, Fox Farm Grow.

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Always double-check pricing on Amazon before purchasing; unit costs can change quickly.

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Growthrive Bird of Paradise Liquid Fertilizer, 300ml Natural Plant Food for Indoor & Outdoor Bird of Paradise, Organic Probiotic Formula for Bigger Leaves, Brighter Blooms & Strong Root Growth

Growthrive Bird of Paradise Liquid Fertilizer, 300ml Natural Plant Food for Indoor & Outdoor Bird of Paradise, Organic Probiotic Formula for Bigger Leaves, Brighter Blooms & Strong Root Growth

Price: $12.99
$0.16 per gallon
Prime: ✅
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Grow Queen Organic Liquid Indoor Plant Food, Houseplant, Tropical & All-Purpose Indoor Plant Fertilizer, Organic Liquid Fertilizer 5-5-5 with Sea Kelp, 8oz Treats 50 Gallons

Grow Queen Organic Liquid Indoor Plant Food, Houseplant, Tropical & All-Purpose Indoor Plant Fertilizer, Organic Liquid Fertilizer 5-5-5 with Sea Kelp, 8oz Treats 50 Gallons

Price: $16.99
$0.34 per gallon
Prime: ❌
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Purived 16oz All-Purpose Liquid Plant Fertilizer - Makes 50 Gallons, for Indoor Houseplants, All-Natural, Groundwater Safe, Made in USA

Purived 16oz All-Purpose Liquid Plant Fertilizer - Makes 50 Gallons, for Indoor Houseplants, All-Natural, Groundwater Safe, Made in USA

Price: $23.99
$0.48 per gallon
Prime: ✅
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Green Green Plant Food (36ml Bottles, Pack of 20)

Green Green Plant Food (36ml Bottles, Pack of 20)

Price: $14.94
$1.63 per gallon
Prime: ✅
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TPS NUTRIENTS Indoor Plant Food for Houseplants, Liquid Fertilizer 8 oz (250mL)

TPS NUTRIENTS Indoor Plant Food for Houseplants, Liquid Fertilizer 8 oz (250mL)

Price: $9.97
$39.96 per gallon
Prime: ✅
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Miracle-Gro Blooming Houseplant Food - Fertilizer for Indoor Plants, 8 fl. oz.

Miracle-Gro Blooming Houseplant Food - Fertilizer for Indoor Plants, 8 fl. oz.

Price: $6.00
$96.00 per gallon
Prime: ✅
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16oz Houseplant Fertilizer, All Purpose Indoor Plant Food - Makes 87+ Gallons, Plant Food for Houseplants - Fiddle Leaf Fig Tree, Pothos & More, 6-2-4 NPK, Concentrated Fertilizer for Indoor Plants

16oz Houseplant Fertilizer, All Purpose Indoor Plant Food - Makes 87+ Gallons, Plant Food for Houseplants - Fiddle Leaf Fig Tree, Pothos & More, 6-2-4 NPK, Concentrated Fertilizer for Indoor Plants

Price: $12.97
$103.76 per gallon
Prime: ✅
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FoxFarm Grow Big Liquid Plant Food - Bloom Fertilizer for Flowers, Fruits, and Vegetables, Perfect for Indoor & Outdoor Potted Plants, NPK 6-4-4 (Quart)

FoxFarm Grow Big Liquid Plant Food - Bloom Fertilizer for Flowers, Fruits, and Vegetables, Perfect for Indoor & Outdoor Potted Plants, NPK 6-4-4 (Quart)

Price: $29.99
$119.96 per gallon
Prime: ✅
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Liquid Indoor Plant Food, All-Purpose Indoor Plant Fertilizer, Liquid Plant Food, Easy Peasy Plants House Plant Fertilizers 4-3-4 Plant Nutrients, House Plant Food | Lasts Same as 8 oz Bottle

Liquid Indoor Plant Food, All-Purpose Indoor Plant Fertilizer, Liquid Plant Food, Easy Peasy Plants House Plant Fertilizers 4-3-4 Plant Nutrients, House Plant Food | Lasts Same as 8 oz Bottle

Price: $9.99
$159.84 per gallon
Prime: ✅
Buy on Amazon
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