10 bestOrganic Liquid Fertilizersof July 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
26% 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
3
Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed, Liquid Outdoor Plant Food, Perfect for Flowers & Plants - 5 Litre Makes 1,650 Litres
envii
9.4
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% off
5
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
8.9
OtherUp to 5% off
Vitax Organic Liquid Seaweed, Concentrated, Bigger Crops, Healthier Plants, Suitable For Plants, Flowers and Fruit & Vegetables- 1 Litres (Pack of 2)
Envii Maximato, Liquid Tomato Feed Fertiliser, Organic Plant Food with Seaweed, Magnesium & Calcium, Boosts Growth & Fruiting for Tomato Plants & Vegetables, 1L
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)
Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed, Liquid Outdoor Plant Food, Perfect for Flowers & Plants - 1 Litre Makes 330 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
34% off
10
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
Maxicrop
7.4
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