WhichOne › DIY store & garden › plant › fertiliser › flower fertiliser › rhododendron fertiliser

The best rhododendron fertilisers in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 23.02.2025

Filter

Sort

Brand:Reduced items only:

Best choice

Miracle Gro Premium Azalea, Camellia and Rhododendron Continuous Release Plant Food

35% off

free shipping

show more show less

9,9

Check price

Show on Amazon

Features

Temperature controlled coating that regulates the release of nutrients when the conditions are right for feeding
One application at the start of spring will feed your plants for the whole season, removing the need for regular feeding
Model number 121065

£ 5.49

£ 9.30

Miracle-Gro 121180 Azelia, Camellia & Rhododendron Concentrated Plant Food, 800 ml, Natural

14% off

free shipping

show more show less

9,8

Check price

Show on Amazon

Features

Provides essential nutrients to a wide variety of plants, including flowers, vegetables, trees, and shrubs
The formula contains a balanced blend of fast-acting and slow-release nutrients
Effective in promoting healthy growth, strong roots, and vibrant blooms or foliage

£ 5.99

£ 7.84

Camellia Focus Liquid Concentrated Fertiliser 300 ml

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

Camellia Focus is suitable for azaleas, rhododendrons and all acid-loving plants including blueberries
Balanced nutrition for all ericaceous species
It is a precisely formulated nutritional formulation - enriched with complex organic plant acids
Simply add 5ml of Camellia Focus in every litre of clean water, weekly

ZOPPER Ericaceous Plant Food Azalea Camellia Rhododendron Shrub Feed Fertiliser Concentrate plant feed to encourage healthy growth & large blooms 1 Liter

ZOPPER

show more show less

9,5

Check price

Show on Amazon

Features

Long-Lasting Results One 1-liter bottle makes up to 300 liters of feed, providing season-long nourishment for your plants.
Healthy Growth & Large Blooms The unique blend of macro and micronutrients encourages strong root development, vibrant green leaves, and stunning flower displays.
Ideal for Acidic Soil Suitable for azaleas, camellias, rhododendrons, magnolias, and other acid-loving plants, even in lime-rich soil.
Easy to Use Simply mix with water and apply to the soil around your plants for fuss-free feeding.

GREEN24 Rhododendron Azalea Liquid Fertilizer HighTech NPK+(Fe) Iron - Root, Soil, Foliar, Fertiliser - Professional Plant Food

free shipping

show more show less

9,5

Check price

Show on Amazon

Features

Professional Liquid Fertilizer for Rhododendrons, Azaleas
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.

Bronte Ericaceous Plant Food - 1L Bottle of Concentrated Organic, Seaweed-Enriched Azalea, Camellia & Rhododendron Fertiliser. Pet-Friendly, UK Made, Boosts Flowering & Growth in Acid-Loving Plants

Bronte Heritage Collection

show more show less

9,5

Check price

Show on Amazon

Features

ORGANIC POWER, MAXIMUM IMPACT Imagine the satisfaction of seeing your azaleas, camellias, and rhododendrons bloom like never before! Our 1L bottle of concentrated, plant-based fertiliser makes up to 500 litres of feed, meaning every drop works wonders. You'll love the proud moment when your plants flourish, knowing you ve nourished them with a completely organic and eco-friendly solution.
SEAWEED-INFUSED FOR VIBRANT GROWTH Seaweed is nature's secret ingredient for vibrant, lush plants, and now it s your garden's best friend too! Our fertiliser works with the natural microorganisms in the soil to promote deep root growth and abundant flowering. Picture yourself strolling through a garden filled with bigger, healthier, and more colourful blooms all because you chose a product that nurtures from the ground up.
SUPER CONCENTRATED, SUPER EASY A little goes a long way! With just 10-20ml of our super-concentrated formula mixed with 5 litres of water, you'll transform your garden into a paradise of healthy, thriving plants. Plus, your wallet will thank you as this one bottle lasts season after season. It s never been easier to be a proud plant parent, knowing you re giving your garden exactly what it needs to thrive.
GENTLE ON PLANTS, SAFE FOR PETS Not only does this fertiliser work wonders on a variety of acid-loving plants, but it s also gentle enough for delicate and young plants too. Whether you re nurturing outdoor beauties like hydrangeas and blueberries, or indoor gems like your fiddle leaf fig, this feed gives them a healthy boost. And as a pet-friendly formula, you'll feel confident that your garden is a safe haven for your furry friends as well.
PROUDLY MADE IN THE UK, PERFECT FOR YOUR GARDEN Supporting local, sustainable products has never felt so good. Our Bronte Heritage Ericaceous Plant Food is proudly made in the UK from natural plant residues, completely chemical-free, and packaged with care. Every time you feed your plants, you re not only helping them grow bigger and brighter but also contributing to a greener planet. You ll feel great knowing your garden thrives on an eco-friendly, premium product.

Azalea, Camellia & Rhododendron Soluble Plant Food - Essential Organic Soluble Fertilizer Flower, Vegetable & Fruit Feed - Plant Food for Indoor & Outdoor (500 Gram)

ASA

show more show less

9,4

Check price

Show on Amazon

Features

Contains sequestered iron, which is essential to stop leaf yellowing.
Formula is carefully balanced to provide plants with all the essential nutrients required for optimum growth and flowering.
Gro Plant Food works fast - plants are greener and faster growing within two weeks.
Helps plants to be more resistant to drought by developing a strong root system Better Blooms Guaranteed!

Vitax Azalea, Rhododendron & Shrub Fertilizer 0.9kg Pouch

Vitax Ltd

25% off

free shipping

show more show less

9,4

Check price

Show on Amazon

Features

Supplied in a resealable pouch
Ideal for heather, acid-loving plants, blueberries and raspberries

£ 7.40

£ 6.99

£ 7.29

Miracle-Gro Azalea, Camellia & Rhododendron Soluble Plant Food, 1 kg

19% off

show more show less

9,3

Check price

Show on Amazon

Features

Grows plants twice as big as unfed plants
Simply dissolve in water and apply using a watering can or use a Miracle-Gro hose-end feeder
For displays feed every two weeks from march to September

£ 6.90

£ 9.45

Recommendation

AMK® Miracle Gro Plant Feed Azalea Camellia Rhododendron Continuous Slow Release Food Fertiliser 900g Shaker

AMK

free shipping

show more show less

9,3

Check price

Show on Amazon

Features

Temperature controlled coating that regulates the release of nutrients when the conditions are right for feeding
One application at the start of spring will feed your plants for the whole season, removing the need for regular feeding
Natural ingredients for an eco friendly option.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these rhododendron fertilisers.

Elixir Gardens Soluble Ericaceous Fertiliser/Feed | Azalea, Rhododendron, Acer, Magnolia & Camellia Plant & Shrub Food | NPK: 12-10-10 + 4 | 2.5kg Resealable Tub

A COMPLETE FEED - Made to provide a complete soluble NPK feed for container or soil grown ericaceous plants, especially where the irrigation water contains more than 150ppm bicarbonates.

free shipping

Check price

Vitax Azalea Rhododendron & Shrub Fertiliser Pouch (0.9kg) X 4

Easy to handle and apply pellets

free shipping

Check price

indigo Garden 2 X Azalea, Rhododendron & Shrub Feed 0.9KG Resealable Pouch

Nourishing Feed This resealable pouch contains a premium plant food formulated to nourish azaleas, rhododendrons and shrubs with essential nutrients.

free shipping

Check price

Miracle-Gro Rose and Shrub Fast Acting Granules Plant Food, 3 kg and Azalea, Camellia & Rhododendron Soluble Plant Food, 1 kg

Product 2 Grows beautiful, healthy plants with more blooms

Check price

Miracle Gro Slow Release Azalea, Camellia & Rhododendron Plant Food 1kg Shaker Jar (519423)

Coverage Feeds up to 400m2 (480yds2)

free shipping

Check price

Miracle Grow Ericaceous Feed Fertiliser - Bundle of 900g Continuous Release Plant Feed Granules & 800ml Concentrated Liquid Plant Food. Garden Plants Fertilizer for Azalea, Camellia with Card

Welcome to a garden transformation with miracle grow flower plant feed fertiliser bundle, specially crafted for thriving azaleas, camellias, and rhododendrons. This expertly designed bundle combines a 900g pack of continuous release plant feed granules with an 800ml concentrated liquid plant food, delivering a powerful solution to nourish your acid-loving plants. Comes with a unique Topline card.

free shipping

Check price

Doff Azalea Camellia Rhododendron Ericaceous Feed Food Fertiliser 1L

Doff

free shipping

Check price

Multi-Mite 5 Ltr Liquid Seaweed -100% Natural & Organic Concentrate Cold Pressed Plant & Soil Fertiliser, Trees Lawn Veg & House Plants Root or Foliar Feeding

ELIXIR OF LIFE FOR ALL PLANTS IN A BOTTLE - Our Liquid Seaweed is packed full of Carbohydrates, not only do your plants use complex carbs in their structure and as food, it's also a tasty snack for a host of beneficial Microorganisms that help create the perfect ecosystem for your greenery. Supposedly MULTI MITE Liquid Seaweed Concentrate is so powerful that it may even bring plants previously thought dead back to life!

free shipping

Check price

Vitax Azalea, Rhododendron & Shrub Fertiliser,

Easy to handles and apply, promotes abundant flowering

Check price

Miracle-Gro Azalea, Camellia & Rhododendron Concentrated Liquid Plant Food, 1 Litre

Child & pet friendly

Check price

3kg Premium Rose & Shrub Feed - High-Performance Liquid Fertilizer for Roses, Orchids, Azaleas, Camellias, and Rhododendrons

Specially formulated for roses, orchids, azaleas, camellias, and rhododendrons, this high-performance liquid feed is designed to meet the unique nutritional needs of these flowering plants. Fast-acting feed.

free shipping

Check price

Ericaceous Compost 60L bag Premium Mix for acid loving plants such as Rhododendron, Blueberries, Hydrangea, Heathers, Azalea and many more Can be used in Pots, Baskets & Borders - By Jamieson Brothers

EXTRA FEEDING ADDED Enriched with nutrients to let your plants and shrubs get off to the best possible start. This will help with root development throughout the growing season and will help to create a wonderful display of colour in your garden or home.

Check price

The best rhododendron fertilisers in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these rhododendron fertilisers.

Our offer