10 bestOutdoor Cannabis Fertilizerof July 2026
112M consumers helped this year.
1
envii SeaFeed Xtra – Organic Seaweed Fertiliser, Liquid Outdoor Plant Food Ideal for all Plants, Lawns, Gardens and House Plants, Rich in Additional Nutrients - 1 Litre Makes up to 500L
envii
9.8
28% off
2
Miracle-Gro Pour and Feed Liquid Plant Food, 1L
Miracle-Gro
9.6
3
Canna Bloom Booster Liquid 5L
CANNA
9.3
5% off
4
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
9.0
5
Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed, Liquid Outdoor Plant Food, Perfect for Flowers & Plants - 1 Litre Makes 330 Litres
envii
8.8
Other
Vitalink Earth Max Bloom 5L Plant Liquid Food For Compost & Soil Bloom Booster Additive Hydroponic Nutrient Feed For Faster Plant Growth
Advanced Nutrients Bloom pH Perfect Fertilizer, 1 Liter, Brown
Osmocote 'Exact', Professional Slow Release Plant Fertiliser, 12-14 Months of Nutrients, Ideal for all Plants (1 KG), Premium Quality Plant Nutrients
Growth Technology Fertiliser/Fertiliser Ionic Hydro Grow (1L)
6
Liquid Calcium and Magnesium Fertilizer Xpert Nutrients Cal-Mag Amino (1L) | Correct the Calcium and Magnesium deficiency | Strong and Healthy Plants
Xpert Nutrients
8.5
7
Fox Farm Liquid Nutrient Trio Soil Formula - Big Bloom, Grow Big, Tiger Bloom Pint Size (Pack Of 3)
FoxFarm
8.2
8
Advanced Nutrients ANBGMBD500 Bloom, Micro, Grow Fertilizer Bundle, 500ml Each, Original Version
Advanced Nutrients
7.9
9
Osmocote PrePlant Plant Food 1kg Slow Release Fertiliser For Season-Long Plant Nutrition 17-9-10+2MgO+TE
Generic
7.6
10
Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A
Advanced Nutrients
7.3
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