10 Best Slow Release Veg Plant Food in The UK
Last updated on 04/09/2025
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Best Choice
1
Vitax Q4 Fertiliser, Plant Food Enriched With Organic Nutrients, More Flowers, Bigger Yields, Slow Release -10 Kg
Vitax Ltd
6% Off
Vitax Ltd
Vitax Q4 Fertiliser, Plant Food Enriched With Organic Nutrients, More Flowers, Bigger Yields, Slow Release -10 Kg
6% Off
Why We Love It
- Ideal for various plants.
- Ensures professional-quality blooms.
- Easy, mess-free application.
Main Highlights
- ALL-PURPOSE FERTILISER: Vitax Q4 Powdered Fertiliser is ideal for flowers, vegetables, fruit, tomatoes, and chrysanthemums, making it a favorite among experienced gardeners.
- PROFFESIONAL QUALITY: Originally developed for commercial growers, Vitax Q4 Fertiliser ensures bigger, brighter blooms and bumper crops.
- ESSENTIAL NUTRIENTS: Contains vital plant foods and trace elements essential for abundant growth and healthy plants
- EASY TO APPLY: Traditional powder format, easily mixed into soil for even distribution.
- VERSATILE APPLICATION: Perfect for roses, fruit, and lawns, and can be applied before planting to boost establishment or as a top dressing during the growing season.
Value for Money
2
Viano Animal Free Plant Food, Plant-Based Plant Feed, Slow-Release, Fertiliser, Fertilizer, 100% Vegetal Raw Materials, Ideal For Herb, Fruit, Veg Gardens, Pet Safe, 1 x 4kg Pack By Suttons
Suttons
Suttons
Viano Animal Free Plant Food, Plant-Based Plant Feed, Slow-Release, Fertiliser, Fertilizer, 100% Vegetal Raw Materials, Ideal For Herb, Fruit, Veg Gardens, Pet Safe, 1 x 4kg Pack By Suttons
3
Multi-Mite 5 Ltr Liquid Seaweed + Granules -100% Natural & Organic Concentrate Cold Pressed Plant & Soil Fertiliser, Trees Lawn Veg & House Plants Root or Foliar Feeding (5 LITRES WITH GRANULES)
Multi-Mite
Multi-Mite
Multi-Mite 5 Ltr Liquid Seaweed + Granules -100% Natural & Organic Concentrate Cold Pressed Plant & Soil Fertiliser, Trees Lawn Veg & House Plants Root or Foliar Feeding (5 LITRES WITH GRANULES)
Why We Love It
- 100% Natural and Organic Formula.
- Boosts Plant Health Effortlessly.
- Ideal for All Gardening Needs.
Main Highlights
- ✅ Multi-Mite Organic Liquid Seaweed Concentrate with Granules- Is 100% Natural and Organic Plant Feed and Plant and Soil Conditioner - COLD PRESSED. Suitable for use on lawns, gardens, sports greens and agricultural land and used all over in Football League Club grounds. Liquid Seaweed helps Promote Stress Resistance, Healthy Sytems from Roots to the leaves. It also Greatly helps to increase soil fertility. Our Seaweed is made from Ascophyllum Nodosum, concentrated from the West Coast of Ireland.
- ✅ With Multi-Mite Seaweed Suitable for all Plants you'll unlock the Power of the Sea for your plants! This Dynamite Fertiliser is filled with beneficial nutrients for your beloved botanicals. Whether you're growing yummy veggies, encouraging a tree to grow, trying to get your lawn to look its best, or just want a little boost for your house plants, this MULTI MITE fertiliser is a great choice
- ✅ Elixir Of Life for 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!
- ✅ Used by Professionals and us Mortals - Ideal for every gardener with green hearts as well as green fingers, MULTI MITE is completely 100% Natural. ZERO thickeners, colourants or other chemical additives in MULTI MITE plant fertiliser, just PURE Seaweed Extract! It's organic nature is one advantage, another is replaceability, seaweed is a Fully Fresh Bed resource. Kiss artificial Chemical Fertilisers and animal based goodbye and embrace the oceanic goodness of MULTI MITE Seaweed Concentrate!
- ✅ Added Granules allow for Slow Release Feeding - Particularly useful for plants in pots, tubs and hanging baskets. Seaweed granules also help with moisture retention in the soil, improve soil health and promotes stress resistance and transplant shock. Liquid seaweed helps plants absorb nutrients more efficiently helping them grow stronger and healthier
- ✅ Best Use of Multi-MIte Liquid Seaweed - This Elixir is suitable for feeding to all manner of plants, trees & grasses, works in hydroponics. Ideally apply concentrate twice weekly. Application rates differ depending on the soil type and plants. It's recommended that you begin with a dilution rate of 10ml per litre for young or sick plants, increase the concentration if no results are visible after one week. Not Suitable for Spraying due to granules.
4
Miracle-Gro Continuous Release Plant Food, 2 kg Tub
Miracle-Gro
Miracle-Gro
Miracle-Gro Continuous Release Plant Food, 2 kg Tub
Why We Love It
- Feeding plants for six months.
- Smart temperature-controlled nutrient release.
- Versatile for all plant types.
Main Highlights
- Feeds plants for up to 6 months, removing the needs for regular feeding
- Temperature controlled coating releases nutrients only when conditions are right for feeding
- Ideal for all types of plants and suitable for fruit and vegetables
- Ideal for beds, borders, pots, containers and hanging baskets
- Coverage of up to 40 m2
5
Multi-Mite 2.5 Ltr Liquid Seaweed + Granules Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (2.5 Litre WITH GRANULES)
Multi-Mite
Multi-Mite
Multi-Mite 2.5 Ltr Liquid Seaweed + Granules Organic Cold Pressed Concentrate - 100% Natural - Plant Feed Fertiliser Trees Lawn Veg & House Plants Root or Foliar Feed (2.5 Litre WITH GRANULES)
Why We Love It
- 100% Natural and Organic Formula.
- Enhances Soil Health and Fertility.
- Promotes Stronger Plant Growth.
Main Highlights
- ✅ Multi-Mite Organic Liquid Seaweed Concentrate with Granules- Is 100% Natural and Organic Plant Feed and Plant and Soil Conditioner - COLD PRESSED. Suitable for use on lawns, gardens, sports greens and agricultural land and used all over in Football League Club grounds. Liquid Seaweed helps Promote Stress Resistance, Healthy Sytems from Roots to the leaves. It also Greatly helps to increase soil fertility. Our Seaweed is made from Ascophyllum Nodosum, concentrated from the West Coast of Ireland.
- ✅ With Multi-Mite Seaweed Suitable for all Plants you'll unlock the Power of the Sea for your plants! This Dynamite Fertiliser is filled with beneficial nutrients for your beloved botanicals. Whether you're growing yummy veggies, encouraging a tree to grow, trying to get your lawn to look its best, or just want a little boost for your house plants, this MULTI MITE fertiliser is a great choice
- ✅ Elixir Of Life for 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!
- ✅ Used by Professionals and us Mortals - Ideal for every gardener with green hearts as well as green fingers, MULTI MITE is completely 100% Natural. ZERO thickeners, colourants or other chemical additives in MULTI MITE plant fertiliser, just PURE Seaweed Extract! It's organic nature is one advantage, another is replaceability, seaweed is a Fully Fresh Bed resource. Kiss artificial Chemical Fertilisers and animal based goodbye and embrace the oceanic goodness of MULTI MITE Seaweed Concentrate!
- ✅ Added Granules allow for Slow Release Feeding - Particularly useful for plants in pots, tubs and hanging baskets. Seaweed granules also help with moisture retention in the soil, improve soil health and promotes stress resistance and transplant shock. Liquid seaweed helps plants absorb nutrients more efficiently helping them grow stronger and healthier
- ✅ Best Use of Multi-MIte Liquid Seaweed - This Elixir is suitable for feeding to all manner of plants, trees & grasses, works in hydroponics. Ideally apply concentrate twice weekly. Application rates differ depending on the soil type and plants. It's recommended that you begin with a dilution rate of 10ml per litre for young or sick plants, increase the concentration if no results are visible after one week. Not Suitable for Spraying due to granules.
6
Westland Boost All Purpose Liquid Plant Food 3L
Westland
6% OffFree Shipping
Westland
Westland Boost All Purpose Liquid Plant Food 3L
6% OffFree Shipping
Why We Love It
- Rich in seaweed promotes health.
- Efficient watering reduces waste.
- Ensures abundant blooms and harvests.
Main Highlights
- Rich in seaweed for healthy growth
- Easier & faster to water with minimal surface run odd & no waste
- All nutrients available for the plant
- Nutrients optimised for all plants, composts & soil types
- 4x more blooms and more fruits and veg guaranteed
7
Gro-Sure 6 Month Slow Release Plant Food 1.1kg + 50% Extra Free
Gro-Sure
Gro-Sure
Gro-Sure 6 Month Slow Release Plant Food 1.1kg + 50% Extra Free
Why We Love It
- Longer blooms for garden beauty.
- Dual action for healthy plants.
- Quick boost for vibrant growth.
Main Highlights
- Longer lasting blooms
- Dual action granules keep plants thriving for longer
- Instant boost for flowers and root growth
- 6 months feed
8
YouGarden Organic Potato Fertiliser - 1kg Pack, Slow Release, Suitable for Potatoes & Root Veg
YouGarden
YouGarden
YouGarden Organic Potato Fertiliser - 1kg Pack, Slow Release, Suitable for Potatoes & Root Veg
Why We Love It
- Nutrient rich for potatoes.
- Promotes sustained healthy growth.
- Suitable for all vegetables.
Main Highlights
- NUTRIENT RICH - Specifically formulated to provide your crop of potatoes with all the nutrients they need. The nutrient analysis (N:P:K) is 4:2.4:8 plus essential trace elements, and so is also suitable for use with any other vegetable crops.
- SLOW RELEASE - Developed to promote sustained healthy growth, making sure you get a good crop, in all soil types. Because it is a slow release, organic fertiliser, it will break down gradually and is also kind to the environment.
- VERSATILE - Suitable for use when growing potatoes in the ground or in containers.
- HOW TO - Use at the time of planting following instructions specified on the pack (approx 50g per sq m) and then Top-Dress every 4-6 weeks thereafter at the same rate.
- DETAILS - Supplied as a single 1kg pack ready to use. When following 50g per sq m this 1kg pack will cover 20 sq metres in total.
9
Gro-Sure All Purpose Slow Release Plant Food Dual Action Granules for Long-Lasting Blooms Slow Release Nutrients Ideal for Flowers, Fruits & Vegetables Feeds for 6 Months (1.65Kg Box)
TOP SAVER
TOP SAVER
Gro-Sure All Purpose Slow Release Plant Food Dual Action Granules for Long-Lasting Blooms Slow Release Nutrients Ideal for Flowers, Fruits & Vegetables Feeds for 6 Months (1.65Kg Box)
Why We Love It
- Long-lasting blooms enhance beauty.
- Versatile for all plant types.
- Easy to use for gardening.
Main Highlights
- 🌱 Long-Lasting Blooms: Promotes vibrant, long-lasting flowers by supporting healthy root systems and foliage growth.
- 🌱 Ideal for All Plants: Suitable for a wide range of plants including flowers, fruits, vegetables, trees, and shrubs, ensuring versatility in your garden.
- 🌱 Perfect for Baskets & Containers: Specially designed for pots, tubs, hanging baskets, and garden beds, making it a great choice for all types of gardening.
- 🌱 Easy to Use: Can be premixed with compost, added to planting holes, or used as a top dressing, offering a simple solution for feeding plants.
- 🌱 Boosts Root & Flower Growth: The fast-acting nutrients provide an instant boost to roots and flowers, helping plants grow stronger and healthier from the start.
10
ClearOFF Nitropril™ 46-0-0 Slow Release Nitrogen Fertiliser TOP DRESSING or WATER SOLUBLE Prills Form. Grass Lawn Shrub Tree Plant Foliage BOOST 400g
ClearOFF
ClearOFF
ClearOFF Nitropril™ 46-0-0 Slow Release Nitrogen Fertiliser TOP DRESSING or WATER SOLUBLE Prills Form. Grass Lawn Shrub Tree Plant Foliage BOOST 400g
Why We Love It
- Boosts powerful early growth.
- Versatile for all plants.
- Preferred by expert gardeners.
Main Highlights
- 46% Nitrogen Fertiliser
- Top Dressing or Water Soluble
- Prized Vegetable Growers Choice
- Trees, Shrubs, Grass, Vegetables, Pot Plants & More
- Early Season Super Boost