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10 bestOutdoor Cannabis Fertilizerof June 2025

112M consumers helped this year.

28% 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 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 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

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

9.0

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5

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

VitaLink

8.7

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Related productsUp to 5% off

Formulex 1L

Formulex 1L

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FoxFarm FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6-4-4, 1 Pint

FoxFarm FX14092 Grow Big Liquid Concentrate Fertilizer, Soil NPK 6-4-4, 1 Pint

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Advanced Nutrients Bloom pH Perfect Fertilizer, 1 Liter, Brown

Advanced Nutrients Bloom pH Perfect Fertilizer, 1 Liter, Brown

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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)

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6

Osmocote Controlled Release Plant Food Tablets 25x5g
Osmocote Controlled Release Plant Food Tablets 25x5g

Greenfingers

8.4

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7

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

8.1

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8

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

7.8

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16% off

9

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

7.5

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10

Growth Technology Fertiliser/Fertiliser Ionic Hydro Grow (1L)
Growth Technology Fertiliser/Fertiliser Ionic Hydro Grow (1L)

Growth Technology

7.2

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