10 bestOutdoor Cannabis Fertilizerof June 2026
112M consumers helped this year.
10% off
1
MARPHYL All-Purpose Plant Food – Organic Nutrient-Rich Fertilizer & Soil Enhancer for Indoor & Outdoor Flowers, Vegetables, Succulents, Bamboo & Hydroponics
MARPHYL
9.9
5% off
2
Miracle-Gro Water Soluble All Purpose Plant Food - 1.5kg
Miracle-Gro
9.8
5% off
3
Miracle-Gro Water Soluble Bloom Booster Plant Food - 1.5Kg
Miracle-Gro
9.6
4
Advanced Nutrients Bloom, Micro & Grow, 1 L Each
Advanced Nutrients
9.4
20% off
5
Miracle-Gro Water Soluble Plant Food 20-20-20, 680g | All-Purpose Instant Fertilizer for Flowers, Veggies, Trees & Shrubs | Lush foliage & strong roots
Miracle-Gro
9.1
OtherUp to 25% off
Advanced Nutrients pH Perfect Hydroponic Nutrients: Bloom, Micro and Grow 1-Liter PACK OF 3
General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 1 Litre 1 Quart
Strive Fertilizer Starter Kit Combo - Veg + Bloom General Hydroponic Nutrients - Indoor, Outdoor and Soil Growing Plant Food - Enhancer - Booster for Vegetables, Flowers
Dutch Science Nutrients Plant Fertilizer for All Vegetative Stage Plants - Outdoor & Indoor Plant Fertilizer | 100% Organic Plant Bud and Flower Fertilizer for Vegetative Stage | 500g
10% off
6
Green Rush Nutrients Organic Double Pack - Leafy Green Grow & Beefy Bud Bloom Combo for Veg & Bloom (500g Each)
Green Rush Nutrients
8.8
7% off
7
General Hydroponics GLCMBX0009 Calimagic & Flora GRO, Micro & Bloom Combo, 1 Quart Fertilizer
General Hydroponics
8.5
8
Gaia Green 2-8-4 Power Bloom 2kg - Great for Bigger Flowers, More Tomatoes, and Healthier Plants
Gaia Green
8.2
9
Reefertilizer Grow | NPK + Micronutrients for Veg Stage Indoor and Outdoor Plants | 1.1lbs Powder Fertilizer Vegetative Nutrients for Soil, Coco, DWC, Hydroponics
Reefertilizer
7.9
10
Reefertilizer® Bloom - NPK + Micronutrients for Plants in Flower | 1.1lb Canadian Dry Powder Fertilizer Flowering Nutrients Bloom Booster | 160 Feeding or up to 8 plants in soil, coco, DWC, hydroponic
Reefertilizer
7.6
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