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10 bestOutdoor Cannabis Fertilizerof January 2026

112M consumers helped this year.

1

Canna Bloom Booster Liquid 5L
Canna Bloom Booster Liquid 5L

CANNA

9.8

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2

envii SeaFeed Xtra – Organic Liquid Seaweed Fertiliser - Multipurpose Outdoor & Indoor House Plant Food - 1 Litre Makes up to 500L
envii SeaFeed Xtra – Organic Liquid Seaweed Fertiliser - Multipurpose Outdoor & Indoor House Plant Food - 1 Litre Makes up to 500L

envii

9.6

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27% off

3

Miracle-Gro Pour and Feed Liquid Plant Food, 1L
Miracle-Gro Pour and Feed Liquid Plant Food, 1L

Miracle-Gro

9.4

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4

Advanced Nutrients ANBGMBD500 Bloom, Micro, Grow Fertilizer Bundle, 500ml Each, Original Version
Advanced Nutrients ANBGMBD500 Bloom, Micro, Grow Fertilizer Bundle, 500ml Each, Original Version

Advanced Nutrients

9.2

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24% off

5

VitaLink CalMag 1L | Calcium & Magnesium Plant Additive with Beneficial Iron
VitaLink CalMag 1L | Calcium & Magnesium Plant Additive with Beneficial Iron

VitaLink

9.0

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Related productsUp to 10% off

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A

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Shogun Katana Roots Vegetative Booster Rooting Propagation Nutrient Hydroponics (1L)

Shogun Katana Roots Vegetative Booster Rooting Propagation Nutrient Hydroponics (1L)

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Vitalink Earth Max Bloom 5L Plant Liquid Food For Compost & Soil Bloom Booster Additive Hydroponic Nutrient Feed For Faster Plant Growth

Vitalink Earth Max Bloom 5L Plant Liquid Food For Compost & Soil Bloom Booster Additive Hydroponic Nutrient Feed For Faster Plant Growth

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Envii Allgrow - Organic Multi-purpose Plant Feed - Liquid Outdoor Plant Food - 1 Litre Makes 330 Litres

Envii Allgrow - Organic Multi-purpose Plant Feed - Liquid Outdoor Plant Food - 1 Litre Makes 330 Litres

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40% off

6

Multi-Mite 2.5L Liquid Seaweed Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (2.5 LITRES)
Multi-Mite 2.5L Liquid Seaweed Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (2.5 LITRES)

Multi-Mite

8.7

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7

Fox Farm Liquid Nutrient Trio Soil Formula - Big Bloom, Grow Big, Tiger Bloom Pint Size (Pack Of 3)
Fox Farm Liquid Nutrient Trio Soil Formula - Big Bloom, Grow Big, Tiger Bloom Pint Size (Pack Of 3)

FoxFarm

8.5

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8

Xpert Nutrients Cal-Mag Amino Liquid Calcium and Magnesium Fertilizer (1L), Correct the Calcium and Magnesium deficiency, For Strong Plants
Xpert Nutrients Cal-Mag Amino Liquid Calcium and Magnesium Fertilizer (1L), Correct the Calcium and Magnesium deficiency, For Strong Plants

Xpert Nutrients

8.2

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9

Fox Farm FX14050 Big Bloom, Grow Big & Tiger Bloom Liquid Fertilizer Nutrient Trio Hydro-Formula, 3/32-Ounce Bottles
Fox Farm FX14050 Big Bloom, Grow Big & Tiger Bloom Liquid Fertilizer Nutrient Trio Hydro-Formula, 3/32-Ounce Bottles

FoxFarm

8.0

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10

Hydrofarm Fox Farm FX14049 Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-32 Oz. Bottles)
Hydrofarm Fox Farm FX14049 Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-32 Oz. Bottles)

Hydrofarm

7.7

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