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10 bestOutdoor Cannabis Fertilizerof November 2025

112M consumers helped this year.

27% off

1

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

Miracle-Gro

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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3

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

9.3

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4

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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5

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

envii

8.7

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Related productsUp to 6% off

Canna Bloom Booster Liquid 5L

Canna Bloom Booster Liquid 5L

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Formulex 1L

Formulex 1L

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Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Nutrient 250ml

Advanced Nutrients Sensi Cal-Mag Xtra Calcium Magnesium Nutrient 250ml

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

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

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6

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

Advanced Nutrients

8.4

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7

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

8.1

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8

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

Shogun

7.8

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9

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)

ZYZYZK

7.5

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8% off

10

Advanced Nutrients Bloom pH Perfect Fertilizer, 1 Liter, Brown
Advanced Nutrients Bloom pH Perfect Fertilizer, 1 Liter, Brown

Advanced Nutrients

7.2

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