10 bestOrganic Liquid Fertilizersof June 2026
112M consumers helped this year.
1
envii SeaFeed Xtra – Organic Liquid Seaweed Fertiliser, Outdoor Plant Food Ideal for all Plants, Lawns, Gardens and House Plants, Rich in Additional Nutrients - 5 Litre
envii
9.8
33% off
2
Maxicrop POPGS4TL Original Seaweed Extract Organic Plant Growth Stimulant, 2.5L - Natural Seaweed Extract Fertiliser - Boosts Healthy Root Development - Approved for Organic Growing - Plant Nutrition
Maxicrop
9.6
5% off
3
Baby Bio Cactus Food, 175ml - Liquid Concentrate Fertiliser - Specially formulated for Cacti - Healthy Growth and Vibrant Flowering - Strengthens Plant Spines for Added Resilience - Makes up to 70L
Baby Bio
9.3
4
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
9.1
5
Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed, Liquid Outdoor Plant Food, Perfect for Flowers & Plants - 5 Litre Makes 1,650 Litres
envii
8.8
OtherUp to 33% off
Olive Focus Liquid Concentrated Fertiliser 1 Litre
Maxicrop All Purpose Plant Growth Stimulant, 2.5L - Natural Seaweed Based Liquid Biostimulant - Multivitamin Boost for All Garden Plants - Strong Roots - Healthy Growth - Builds Resilient Crops
Envii Maximato – Organic Liquid Tomato Feed, Plant Fertiliser Enriched with Additional Seaweed, Magnesium & Calcium – 500ML
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)
6
ALGA-SOL Cold Press Concentrate Seaweed Extract Ascophyllum Seaweed Extract 5Ltr Biostimulant Fertiliser Fertilizer Seaweed Plant Feed Organic Fertiliser Fertilizer
Mifica
8.6
5% off
7
Multi-Mite Liquid Seaweed 10L Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (10 LITRES)
Multi-Mite
8.3
55% off
8
Baby Bio Houseplant Food, 175ml- Fertiliser for Growing Vibrant and Healthy Plants - Easy To Use House Plant Care - Concentrate Plant Food - Indoor Use Plant Nutrition
Baby Bio
8.0
5% off
9
Multi-Mite Liquid Seaweed 5L Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (5 LITRES)
Multi-Mite
7.7
10
Envii Maximato, Liquid Tomato Feed Fertiliser, Organic Plant Food with Seaweed, Magnesium & Calcium, Boosts Growth & Fruiting for Tomato Plants & Vegetables, 1L
envii
7.4
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