10 Best Tree Fertilizer in The UK

Last updated on 09/08/2025

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Miracle-Gro

Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes

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Why We Love It

Promotes vibrant color foliage.
Easy-to-use tree spikes.
Feeds various tree types.

Main Highlights

Lasting color: Miracle-Gro Tree & Shrub Plant Food Spikes promote vibrant color and foliage for trees and shrubs in your yard
Provides nutrition: These easy-to-use outdoor plant food spikes provide slow release nutrients directly to your trees' roots, where they need it most
Stimulates growth: Use with deciduous, flowering and evergreen trees as well as acid-loving plants like hydrangeas, azaleas and magnolias
Application: Apply the outdoor plant food spikes once in spring and once in fall by placing tree spikes around the tree's drip line with at least 3 ft. between each spike (see packaging for more details)
Coverage: This package includes 12 Miracle-Gro Tree & Shrub Plant Food Spikes, enough to feed 3 trees with a 4-ft drip line diameter or 1 tree with a 12-ft. drip line diameter

Westland Growmore 8kg

5% Off

Why We Love It

Promotes enriched, nutrient-dense growth.
Enhances root and floral development.
Contributes to soil fertility.

Main Highlights

Ready to use & rich in essential nutrients
Nitrogen boosts green growth
Phosphorus boosts roots to grow bigger & stronger
Potassium boosts flowers
Helps build soil fertility

GREEN24 Tree and Shrub Liquid Fertilizer HighTech NPK, Root Soil Foliar Plant Food

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Why We Love It

For healthy and bright leaves.
Rapid effects for quick results.
Developed by expert gardeners.

Main Highlights

Professional Liquid Fertilizer for: Deciduous Tree and Deciduous Shrub
This food for plants belongs to the latest generation of fertilizers, for healthy and bright green leaves, stable branches, strong bud formation, balanced rooting.
Very rapid effects, can be administered via the roots and as a foliar fertilizer. For 60-125 liters of ready to use liquid fertilizer
Content: 250 ml, works as an economical concentrate. Simple dosage with the help of the cap.
The fertilizers from the GREEN24 PROFI LINE were developed by gardeners of various departments and were evolved and produced based on the current knowledge in the field of propagation and cultivation of plants.

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

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Why We Love It

Promotes strong plant growth.
Multi-purpose with added extras.
Easy application process.

Main Highlights

Boosts Plant Growth & Crop Yields - Natural Seaweed fertiliser that enhances strong & healthy plant growth, promotes lush foliage, and increases crop yields for thriving plants.
Nutrient Rich Plant Food - Enriched with iron and plant-based amino acids to nourish garden plants, improve soil health, and support plant & root development.
Versatile & All Purpose - Ideal for lawns, fruits, vegetables, flowers, trees, and all other garden plants. Perfect for any outdoor or indoor plants.
100% Organic & Vegan - Seafeed Xtra is made from natural, sustainably sourced ingredients & certified Organic by OF&G.
User Friendly Design: Comes with an easy-to-use bottle featuring a built-in measuring chamber for hassle-free application. One litre of Seafeed Xtra makes up to 500 litres of feed when diluted, suited for all size gardens.

Vitax Conifer & Shrub Fertiliser,

Why We Love It

Nutrient release for thriving growth.
Ideal for Azaleas and Rhododendrons.
Long-lasting nitrogen availability.

Main Highlights

A pelleted fertiliser developed to release nutrients
It is particularly suitable for Azaleas and Rhododendrons
Its extended nitrogen release ensures that nutrients continue to be available as plants develop

Ecoworm Soil Extract for Trees & Shrubs 1L - Organic Vermicompost Extract (makes 200L feed)

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Why We Love It

Safe for humans and pets.
Increases resistance to drought.
Easy application and versatile.

Main Highlights

Suitable for all plants in all conditions (indoors, outdoors, greenhouse)
Organic and safe for humans and pets.
Increases nutrient appropriation.
Better looking and tasting plants and fruit.
Increases resistance to drought and frosts.
Extracted from organic worm castings (not worm tea, but high quality extract).
Fertiliser, rebuilder, conditioner and natural pest and disease control (all in one bottle).
Provides plants with essential nutrients and minerals for healthy growth.
Easy application.
Makes up to 200L of fertiliser.

Olive Focus Liquid Concentrated Fertiliser 1 Litre

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Why We Love It

Unique formulation for olive plants.
Perfect for container gardening.
Includes seaweed for extra nutrients.

Main Highlights

Unique liquid concentrated fertiliser formulated precisely for olives
Ideal for plants grown in containers in the greenhouse or conservatory
A unique product to take advantage of an increasingly popular plant
It also contains seaweed as an added source of nitrogen
To use simply mix 10ml of Olive Focus in 1 litre of clean water; alternate watering using this solution or plain water.

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

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Why We Love It

Supports plants throughout growing cycle.
Improves crop yield and health.
Certified organic and vegan-friendly.

Main Highlights

Multipurpose Plant Food – Suitable for use on all indoor and outdoor plants, Allgrow provides all the macro nutrients required to help plants thrive & supports them throughout the growing cycle.
Suitable for All Plants – Due to our unique ingredients, Allgrow is ready to use on all plants, enhancing soil quality & providing nutrients & minerals for plant growth all year round
NPK – Allgrow is a balanced feed with a nitrogen- phosphorus- potassium (N-P-K) ratio of 6-2-4. This helps increase crop yield and improves plants health.
Certified Organic & Vegan Friendly – Made from natural and mineral based ingredients, Allgrow is certified organic & Vegan Friendly making this safe for all pets, children, bees, and all other wildlife.
Easy to use – Simply mix 15ml of Allgrow in 5 litres of water and apply to the base of your plants.

Goulding G60115 Slow Release Fertiliser Rose, Tree & Shrub Granular Plant Feed, Brown

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Why We Love It

Enriches soil effectively.
Produces stronger roots.
Ensures vibrant blooms.

Main Highlights

Conditions & enriches soil
Produces stronger roots
Healthier plants and vibrant blooms
Enriches soil with humics
Lasts up to 6 months

Westland 20600099 Fish, Blood and Bone All Purpose Plant Food, 4 kg, Natural

10% OffFree Shipping

Why We Love It

Promotes slow nutrient release.
Ideal for varied plant types.
Maintains good soil fertility.

Main Highlights

Use Fish, Blood and Bone to provide your plants with a natural food source that feeds plants nutrients slowly
Fish, Blood and Bone can be used to feed flowers, fruit, trees, shrubs and vegetables
Apply fish, blood and bone every 4 -6 weeks to sustain good soil fertility
Fish Blood and Bone has an NPK fertiliser of 3 - 9 - 3
This product is available a 1.5 kg, 4 kg and 10 kg, established plants will require 140g - 175g per sq. m

8.7

Excellent

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We scanned 1468 products

We reviewed these offers relevant to the Tree Fertilizer within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Miracle-Gro, Westland, GREEN24, envii, Vitax Ltd, Ecoworm, Growth Technology, Goulding, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Tree Fertilizer in the market, we considered we took a deep dive into 7341 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes. We love many things about this product by Miracle-Gro. What sets it apart from the competition is Promotes vibrant color foliage, Easy-to-use tree spikes, Feeds various tree types.
The best value product for most shoppers and where user satisfaction is continuously the highest is Westland Growmore 8kg by Westland based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Tree Fertilizer and the best cost-to-value ratio is Westland 20600099 Fish, Blood and Bone All Purpose Plant Food, 4 kg, Naturalat Westland with a 10% discount.
Our list of the best Tree Fertilizer is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Tree Fertilizer in The UK

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Phostrogen All Purpose Plant Food, 800g - Plant and Edibles Fertiliser Feed - for Promoting Healthy Growth - Improves Drought Resistance - Plant Nutrition - Indoor and Garden Use

We scanned 1468 products

We concluded that: