10 bestOutdoor Cannabis Fertilizerof January 2026
112M consumers helped this year.
10% off
1
MARPHYL Organic Liquid Fertilizer – Indoor & Outdoor House Plant Fertilizer - All-Purpose Nutrient-Rich Plant Food - Soil Enhancer for Garden, Flowers, Vegetables, Succulents, Bamboo, Hydroponics
MARPHYL
9.7
2
General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 1 Litre 1 Quart
General Hydroponics
9.4
25% off
3
Advanced Nutrients Bloom, Micro & Grow, 1 L Each
Advanced Nutrients
9.1
4
General Hydroponics GLCMBX0009 Calimagic & Flora GRO, Micro & Bloom Combo, 1 Quart Fertilizer
General Hydroponics
8.9
5
Strive Fertilizer Starter Kit Combo - Veg + Bloom General Hydroponic Nutrients - Premium Indoor, Outdoor and Soil Growing Plant Food - Enhancer - Booster for Vegetables, Succulents, Flowers
Strive Nutrients
8.6
OtherUp to 16% off
Green Rush Nutrients Organic Double Pack - Leafy Green Grow & Beefy Bud Bloom Combo for Veg & Bloom (500g Each)
Miracle-Gro Water Soluble Plant Food 20-20-20 Green
Dyna-Gro Gro-008 Grow 7-9-5 Plant Food, 8-Ounce
Advanced Nutrients Bloom pH Perfect Fertilizer, 1-Liter
6
Gaia Green Power Bloom 2-8-4 10kg
Advanced Nutrients
8.3
7
Advanced Nutrients pH Perfect Hydroponic Nutrients: Bloom, Micro and Grow 1-Liter PACK OF 3
UOOTPC
8.0
8
Young Urban Farmers Gaia Green All Purpose Fertilizer 4-4-4 20kg
Young Urban Farmers
7.7
9
Miracle-Gro Water Soluble All Purpose Plant Food - 1.5kg
Miracle-Gro
7.4
10
General Hydroponics FloraGro Fertilizer, 1-Quart
General Hydroponics
7.1
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