10 Best Eco Friendly Fertilisers - May 2026

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Last Updated: 27-05-2026

Renaissance Organic Plant Food – 3.62 kg Bag – All Purpose Fertilizer for Outdoor & Indoor Gardens – Slow Release Natural Soil Fertiliser for House Plants, Vegetables, Fruit Trees, Roses and Grass

Renaissance

9.8

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Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed, Liquid Outdoor Plant Food, Perfect for Flowers & Plants - 1 Litre Makes 330 Litres

envii

9.6

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Best Value

RocketGro Organic Magic Mulch - 2 x 50L - Chemical-Free Natural Garden Mulch, Eco-Friendly Organic Fertilizer for Soil Enrichment, Enriched with N:P:K, Microbes & Nutrients

RocketGro

9.5

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Orchid Plant Food Mist | Promotes Vibrant Blooms and Healthy Roots | Organic Seaweed Formula | Ideal for Indoor and Outdoor Orchids | Easy-To-Use Spray for Houseplants | Eco-Friendly Orchid Fertiliser

READY STEADY DEFEND

9.2

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The Shropshire Seaweed Company - Certified Organic Plant Food & Lawn Feed - Promotes Growth, Enhances Roots & Soil Health. Sustainably Sourced from Ireland Liquid Organic Seaweed Fertilizer 1L

Shropshire Seaweed

9.1

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Sylvagrow 100% Peat Free Eco Friendly Organic Multipurpose Garden Compost | Organic Fertilizers Seaweed Meal | Soil Association Approved | Wide Range of Uses | RHS Endorsed | New 40lt

Melcourt

8.8

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Pronto Seed Plush Lawn Fertiliser 2.4kg | Fast-Growing Grass Seed & Conditioner Mix |Covers 30m2 for Lawn Repair & Restoration | DEFRA Approved, Eco-Friendly, & Pet Safe (2.4kg)

pronto seed

8.6

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Indoor Plant Food | Organic, All Purpose 3-1-2 Nutrient Rich Liquid Fertilizer for Houseplants | Gentle, Eco-Friendly Formula for Steady Nutrient Absorption & Easy Growth | 8oz

HOUSEPLANT RESOURCE CENTER

8.4

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CaplinTec Compost Teabag | Eco-Friendly Garden Fertiliser | Natural Comfrey & Seaweed Blend | Easy-to-Use, Reusable & Compostable | Perfect for Plants, Vegetables & Flowers

CaplinTec

8.2

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1.5kg Fish, Blood & Bone Natural Fertiliser - Natural All Purpose Fertiliser Ready to Use, Ideal for fast growing flowers, fruits and vegetables.

SuperGift.com

8.1

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