10 bestOutdoor Cannabis Fertilizerof April 2025
112M consumers helped this year.
28% off
1

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

9.8
2

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

9.6
3

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

9.3
4

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

9.0
31% off
5

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

8.7
Other
6

Osmocote Controlled Release Plant Food Tablets 25x5g
Greenfingers

8.4
7

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

8.1
8

Formulex 1L
Formulex

7.8
9

50 Osmocote Slow Release Fertliser Tablets 5-6 Month 5 Gram Commercial Grade
Generic

7.5
10

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

7.2

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