Best Organic Multi-Purpose Fertilisers of 2026

Toby Butcher Avatar
Toby Butcher
Last Updated: 5 Feb 2026

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Organic multi-purpose fertilisers are a sustainable and eco-friendly way to nourish your plants and soil. Made from natural materials such as compost, bone meal, and seaweed, these fertilisers provide essential nutrients to your plants without harming the environment. They can be used on a variety of plants, including vegetables, fruit trees, and flowers, and can also help to improve soil structure and fertility. Organic multi-purpose fertilisers are a great alternative to chemical fertilisers, as they are safe for wildlife and won't pollute water sources.

At a Glance: Our Top Picks

Envii Allgrow Organic Plant Food Liquid Fertiliser Cover #TOP 1
Envii Allgrow Organic Plant Food Liquid Fertiliser
ftb score rating icon 9.8
MARPHYL Organic Plant Food for Flowers and Vegetables Cover #TOP 2
MARPHYL Organic Plant Food for Flowers and Vegetables
ftb score rating icon 9.7
Neudorff Organic Multipurpose Plant Feed 1L Cover #TOP 3
Neudorff Organic Multipurpose Plant Feed 1L
ftb score rating icon 9.5

Top 8 Organic Multi-Purpose Fertilisers

Envii Allgrow Organic Plant Food Liquid Fertiliser

ALLGROW1L
Envii Allgrow Organic Plant Food Liquid Fertiliser Cover
Envii Allgrow, Organic Multipurpose Fertiliser Plant Feed - Liquid Outdoor Plant Food, Suitable for All Plants (1L)

Envii Allgrow Plant Food is a versatile solution for your indoor and outdoor plants. It offers essential macro nutrients, ensuring your plants thrive throughout their growing cycle. With a balanced NPK ratio of 6-2-4, it enhances crop yield and improves overall plant health. Made from certified organic and vegan-friendly ingredients, it is safe for pets, children, and wildlife. The easy-to-use measuring chamber allows you to mix the right amount effortlessly, making plant care straightforward for everyone.

What We Like
Multipurpose for all plants
Organic and vegan-friendly
Boosts plant health and yield
Easy measuring for convenience
Safe for pets and wildlife
#TOP 2

MARPHYL Organic Plant Food for Flowers and Vegetables

MARPHYL
500ml
16.9 oz
MARPHYL Organic Plant Food for Flowers and Vegetables Cover
MARPHYL All-Purpose Plant Food – Organic Nutrient-Rich Fertilizer & Soil Enhancer for Indoor & Outdoor Flowers, Vegetables, Succulents, Bamboo & Hydroponics

The MARPHYL Plant Food provides a balanced mix of macro and micronutrients, which helps you promote healthy growth in all your plants. It improves soil quality, encouraging strong roots and vibrant leaves, so your plants look their best. You can use it easily as a liquid fertilizer for indoor pots, garden flowers, vegetables, or even succulents and bamboo. This multi-purpose product makes feeding your plants simple and effective, giving you abundant blooms and healthier greenery all year round.

What We Like
Balanced nutrients for growth
Enhances soil quality
Easy liquid application
Suitable for many plant types
Organic and safe formula
#TOP 3

Neudorff Organic Multipurpose Plant Feed 1L

613690
1 litre
Neudorff Organic Multipurpose Plant Feed 1L Cover
Neudorff Organic Multipurpose Plant Feed 1 L, Liquid Organic Fertiliser Concentrate, Accelerated Plant Growth, Vegan Child and Pet Safe

Neudorff Plant Feed is designed to give your plants a comprehensive nutrient boost, promoting healthy growth and vibrant blooming. It is certified for organic gardening, ensuring you can nurture your plants in an eco-friendly way. This versatile feed is suitable for all plant types, making it an essential addition to your gardening supplies. You will also appreciate how it enhances flowering and fruiting, providing the right nourishment for your plants to thrive beautifully.

What We Like
Organic and eco-friendly
Suitable for all plant types
Enhances flowering and fruiting
Easy to apply liquid formula

Grow Chem Fish, Blood & Bone Fertiliser 1KG

5060878091956
1kg Bucket
Grow Chem Fish, Blood & Bone Fertiliser 1KG Cover
Grow Chem Fish, Blood & Bone Fertiliser (1KG Bucket) Multi-Purpose – Organic Fertiliser for Plants & Lawns – Nutrient-Packed, Easy-Apply Plant Food for Strong Healthy Produce, Flowers & Lawns

The Grow Chem Fertiliser is an organic soil booster that nourishes your plants and lawn with essential nutrients. This all-purpose fertiliser improves soil quality by feeding beneficial bacteria, ensuring healthier and denser soil. You can expect robust growth, vibrant flowers, and high-yielding fruits and vegetables, enhancing both flavour and colour. With effortless application, you can easily sprinkle it over your garden every 4-6 weeks, making it convenient for all-season growing.

What We Like
Organic and natural ingredients
Enhances soil quality
Promotes robust plant growth
Effortless application process

Pelle & Sol 50L Peat Free Compost for Organic Gardening

DB10091
Soil
Pelle & Sol 50L Peat Free Compost for Organic Gardening Cover
Pelle & Sol 50L Peat Free Compost - All Purpose, Bio & Wood Fiber, Enriched with Seaweed & Volcanic Dust, Ideal for Outdoor Plants, Vegetables, Seed Starting, Potting Soil, Organic Gardening Soil

Pelle & Sol Compost is an excellent choice for gardeners seeking a premium peat-free option. Made from sustainably sourced bio and wood fibre, it supports environmentally friendly gardening. The nutrient-enriched formula, featuring seaweed and volcanic dust, boosts plant growth and ensures healthier, more vibrant results. This versatile compost is suitable for various gardening tasks, including outdoor plants and seed starting, making it ideal for both novice and experienced gardeners. With its organic formulation, you can cultivate plants with peace of mind knowing you are using a natural product.

What We Like
Peat-free and eco-friendly
Nutrient-rich for healthy plants
Versatile for many gardening uses
Ideal for organic gardening
Perfect for seed starting
#TOP 6

envii SeaFeed Xtra Organic Seaweed Fertiliser

SeaFeed Xtra
envii SeaFeed Xtra Organic Seaweed Fertiliser Cover
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

The envii SeaFeed Xtra is a versatile organic liquid seaweed fertiliser designed to promote strong growth and lush foliage in your plants. Its unique formula includes extra iron and plant-based amino acids, which enhance nutrient absorption, ensuring your garden plants thrive. This product is suitable for a variety of plants, including lawns, fruits, vegetables, flowers, and trees. With its easy-to-use bottle featuring a built-in measuring chamber, you can effortlessly mix the solution, making up to 500 litres from just one litre of concentrate.

What We Like
Promotes strong plant growth
Includes extra iron and amino acids
Suitable for all garden plants
Easy-to-use measuring bottle
Makes up to 500 litres
#TOP 7

Phostrogen Organic All Purpose Plant Food with Seaweed

86601223
Orange
Phostrogen Organic All Purpose Plant Food with Seaweed Cover
Phostrogen Organic All Purpose Plant Food, 800g - All Purpose Organic Fertiliser - Enriched with Seaweed Extract for Healthy Growth - More Vegetables, Brighter Blooms - Plant Nutrition

The Phostrogen Organic Plant Food is perfect for gardeners looking to encourage bigger plants, better blooms, and more vegetables. It is certified organic, ensuring it meets high standards for natural gardening, so you can use it safely for your crops. Enriched with seaweed, this fertiliser supports strong and healthy plant growth, helping your plants thrive. Additionally, it works as a growth stimulant, promoting root development which is essential for robust plants. This product offers a convenient way to nourish your garden effectively.

What We Like
Encourages bigger plants
Certified organic fertiliser
Enriched with seaweed
Stimulates root growth
#TOP 8

Miracle Gro Performance Organics Granular Plant Food

119913
Grey
Miracle Gro Performance Organics Granular Plant Food Cover
Miracle Gro Performance Organics All Purpose Granular Plant Food, 2 kg (Bee, Pet & Child Friendly), Grey

The Miracle Gro Organics Plant Food is a high-performance, organic fertiliser designed to help your plants grow twice as big using natural ingredients. Ideal for use in pots, containers, beds, and borders, it suits a variety of gardening spaces. It acts quickly to feed your plants and continues working for up to three months, so you won’t need to reapply often. Being plant-based and vegan-friendly, it’s gentle on nature, making it safe for bees, pets, and children, which means you can care for your garden responsibly.

What We Like
Organic and high-performance
Suitable for various planting areas
Fast acting, long lasting feed
Vegan and safe for nature
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is organic all purpose fertilizer?

Slow-Release All-Purpose Organic Fertilizer for Plant Health Our Gardener's Supply All-Purpose Organic Fertilizer is a slow-release, 5-5-5 granular organic fertilizer that gives plants balanced nutrients for vigorous root growth and improved water penetration all season long.

2. What is a multi purpose fertilizer?

Our Multi-Purpose Fertilizer is a very soluble general purpose fertilizer that contains nitrate nitrogen, which is readily available to plants even during cool weather. This product is easily applied with broadcast spreader.

Editor's Notes

During our organic multi-purpose fertiliser research, we found 248 organic multi-purpose fertiliser products and shortlisted 8 quality products. We collected and analyzed 108,783 customer reviews through our big data system to write the organic multi-purpose fertilisers list. We found that most customers choose organic multi-purpose fertilisers with an average price of £10.33.

The organic multi-purpose fertilisers are available for purchase. We have researched hundreds of brands and picked the top brands of organic multi-purpose fertilisers, including envii, MARPHYL, Neudorff, Grow Chem, Pelle & Sol.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.