10 Best Top 10 Professional Grade Lawn Fertilizers For A Healthy Lawn - May 2026

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Last Updated: 27-05-2026

A1 Lawn, Ultimate Spring Summer Lawn Fertiliser - Revitalizes Grass, High Nitrogen 10-4-4, DEFRA Certified, 10kg

A1Lawn

9.8

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A1 Lawn New Grass Pre-Seed & Pre-Turf Fertiliser, 10kg (280m2) - [6-9-6] Phosphorus Rich Feed with Potassium & Nitrogen - UK Professional Grade to Accelerate Germination & A Healthy Root System.

A1Lawn

9.6

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Best Value

A1 Lawn, Ultimate Spring Summer Lawn Fertiliser - Revitalizes Grass, High Nitrogen 10-4-4, DEFRA Certified, 20kg

A1Lawn

9.5

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Pro-Kleen Grass Green Professional Lawn Fertiliser 2.5KG Creates a Lush Thick Turf - Lasts up to 3 months - Used by Professionals. NPK Granular 20-5-10 with added 2.5% Magnesium and 2.5% Calcium

Pro-Kleen

9.2

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Elixir Gardens Complete Lawn Feed & Weed Fertiliser/Treatment Supplied In A Resealable Airtight Tub (10kg 10-2-2)

Elixir Gardens

9.1

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Elixir Gardens Spring & Summer 9-7-7 | Treats 285 sq.m | Granular Lawn Fertiliser/Turf & Grass Feed/Food | 10kg Tub

Elixir Gardens

8.8

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Rural Supplies Pre-Seed Grass Fertiliser 6-9-6 | Granular Lawn Starter for New & Established Grass | Boosts Root Growth & Soil Health | Fast-Acting Formula (2kg covers 40-100m²)

Rural Supplies Seed Feed & More

8.6

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Professional Spring Lawn Fertiliser - Spring Surge Pro - [17:5:8] High Nitrogen Lawn Feed : Professional Grade Pet Friendly Fertilizer - Long lasting - Feeds up to 100m2 for 3 months

Johnson Lawn Care Direct

8.4

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Elixir Gardens Lawn Top Dressing Mix, 70/30 Sportsand & Graded Topsoil Blend for Garden and Turf Maintenance | 1kg - 20kg Bags (10kg)

Elixir Gardens

8.2

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Professional Spring Lawn Fertiliser - Spring Surge Pro - [17:5:8] High Nitrogen Lawn Feed : Professional Grade Pet Friendly Fertilizer - Long lasting - Feeds up to 50m2 for 3 months

Johnson Lawn Care Direct

8.1

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