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Achieving a lush, deep-green lawn is rarely a matter of luck; it requires the right nutrient balance for the UK's unique climate. Whether you are dealing with stubborn moss, thin patches, and seasonal shifts, selecting a high-quality lawn fertilizer up to the right time of year is critical. Our selection focuses on nutrient density, ease of application, and effectiveness in managing common garden pests and moss, ensuring your turf remains resilient throughout the seasons.
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Dark Green Lawn Fertiliser - High in Nitrogen Greens Grass Fast - Feeds up to 90 Days - Child and Pet Friendly - Garden Lawncare Guy

Dark Green Lawn Fertiliser - High in Nitrogen Gree...

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Garden Lawncare Guy - Dark Green Lawn Fertiliser - High in Nitrogen Greens Grass Fast - Feeds up to 90 Days - Child and Pet Friendly - Garden Lawncare Guy
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  • GREEN UP ANY LAWN - Fast acting lawn feed that's packed full of the nutrients your lawn needs to grow thicker and greener. Nitrogen, potassium, phosphorus, calcium and magnesium for lush looking grass
  • SAFE FOR GARDENS - Our lawn feed is designed with safety in mind. Simply follow the instructions and it can applied by homeowners looking for greener grass.
ยฃ21.99
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A1Lawn - A1 Lawn, Ultimate Autumn Winter Lawn Fertiliser - Hardens Turf & Boosts Root Strength, High Potassium 6-5-10 NPK, DEFRA Certified, 10kg
#3
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  • CERTIFIED PROFESSIONAL GRADE - A1 Lawn Ultimate Autumn Winter Fertiliser is certified by DEFRA, FERA, and SASA, ensuring a professional-grade product that meets strict quality and regulatory standards.
  • GET A LUSH, GREEN LAWN ALL YEAR - Stop worrying about your lawn looking thin and weak in the cold months; this high-potassium, iron-rich feed hardens the turf and gives you a deep, vibrant green colour that lasts through autumn and winter.
ยฃ28.99
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Elixir Gardens - Elixir Gardens Autumn Winter Fertiliser, Sports Field, Paddock and Lawn Feed | Made in UK, Optimized for British Climate | NPK 3-15-15+5.2% S+2.6% Mg | x 10kg Bag Treats 200sqm
#5
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  • Here at Elixir Gardens we supply to many professional growers as well as a range of garden centres, nurseries and landscaping businesses.
  • Item Package Quantity = Weight, e.g. 1 = 1kg. Contains 5.2% Sulphur which is fantastic for grass overall health. Also contains 2.6% Magnesium ideal for hardening turf during winter and encourages seed germination for early season growth.
โ‚ฌ16.99
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Garden Lawncare Guy - Dark Green Lawn Fertiliser - Autumn/Winter Grass Feed - Fast Acting & Long Lasting - Safe for Gardens - Child and Pet Friendly Turf Thickener - Garden Lawncare Guy
#7
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Prime

  • GREEN UP ANY LAWN - Packed full of the nutrients your lawn needs to grow thicker and greener. Nitrogen, potassium, phosphorus and magnesium for lush looking grass
  • SAFE FOR GARDENS - Our lawn feed designed with safety in mind. Simply follow the instructions and it can be applied in family gardens with pets.
ยฃ12.99 13.99 GBP
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Garden Lawncare Guy - Dark Green Lawn Fertiliser - Autumn/Winter Grass Feed - Fast Acting & Long Lasting - Safe for Gardens - Child and Pet Friendly Turf Thickener - Garden Lawncare Guy
#8
NEW
Out of Stock — View on Amazon
View Amazon reviews
40.00/100 Prime

Prime

  • GREEN UP ANY LAWN - Fast acting lawn feed that's packed full of the nutrients your lawn needs to grow thicker and greener. Nitrogen, potassium, phosphorus, calcium and magnesium for lush looking grass
  • SAFE FOR GARDENS - Our lawn feed designed with safety in mind. Simply follow the instruction and it can applied by homeowners looking for greener grass
ยฃ20.99
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Pro-Kleen - Pro-Kleen Pre Lawn & Seed Starter Fertiliser - Phosphorus Rich with Nitrogen, Potassium & Magnesium (NPK 8-12-8 + 3MgO) with added Zinc & Seaweed - Non-Toxic & Non-Staining - Covers up to 83m2 (2.5kg)
#10
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  • GIVE YOUR LAWN THE BEST START: Pro-Kleenโ€™s Pre-Lawn & Seed Starter Fertiliser is the perfect product to give your lawn the best start possible. We recommend applying it 3-5 days before laying turf or seeding, but it can be used up to 6 weeks after! It promotes strong and healthy grass to get your lawn looking its best
  • NPK 8-12-8 + 3MgO: This Pre-Lawn Fertiliser has been designed with nitrogen, phosphorous, potassium and added 3% magnesium oxide. All of which will give your new lawn the best nutrients to make sure each blade grows strong, thick and green! It also contains added seaweed and zinc for extra nutrients
ยฃ11.86 13.95 GBP
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Our Expert Verdict: lawn fertilizer

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This list balances professional-grade nutrient feeds with accessible, all-in-one consumer treatments, providing a solution for every lawn condition and budget.

Market Overview: lawn fertilizer

AI
The market is shifting toward multi-functional products that combine feeding, weed control, and moss removal in one application, simplifying garden maintenance.

Buying Guide: lawn fertilizer

AI
When choosing a fertilizer, look beyond the brand. Focus on the NPK ratio, the presence of slow-release nutrients, and whether the product includes moss and weed control agents.

Selection Criteria

Products were chosen based on user ratings, verified purchase reviews, value for money, and their specific suitability for the UK's temperate climate.

Budget Advice

AI
Prices range from entry-level small-pack treatments to mid-range seasonal feeds and premium, high-nutrient professional-grade bags for larger estates.

Conclusion: lawn fertilizer

AI
Maintaining a healthy lawn is a seasonal commitment. By choosing a product that matches your grass type and the current weather, you can avoid costly mistakes. Explore our full list of the best lawn fertilizers to find the perfect match for your garden.

Frequently Asked Questions

AI
Generally, spring and autumn are the primary windows for application. Spring feeds focus on growth and recovery, while autumn/winter feeds are high in potassium to harden the turf and strengthen roots for the winter frost.
// a typical schedule involves a few applications per year, depending on the product's slow-release or fast-acting nature. Always follow the manufacturer's instructions to avoid nutrient burn.
N (Nitrogen) is for green growth, P (Phosphorus) for root development, and K (Potassium) for overall plant health and disease resistance. Choose a high-N feed for colour, and high-K for winter resilience.

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Why Trust This List?

Data-Driven Selection

Analysis of 0 verified customer reviews

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Last updated 2 ะดะฝั– ั‚ะพะผัƒ

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Objective criteria: rating, price, popularity

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Dark Green Lawn Fertiliser - High in Nitrogen Greens Grass Fast - Feeds up to 90 Days - Child and Pet Friendly - Garden Lawncare Guy
๐Ÿฅ‡ #1

Dark Green Lawn Fertiliser - High in Nit...

21.99 GBP
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