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Home/Home & Garden/Home & Garden/Garden/Gardening/Fertilisers & Plant Food/Lawn Fertilisers
A1 Lawn, Ultimate Autumn Winter Lawn Fertiliser - Hardens Turf & Boosts Root Strength, High Potassium 6-5-10 NPK, DEFRA Certified, 1kg — image 1
Lawn FertilisersA1Lawn✓ In stock

A1 Lawn, Ultimate Autumn Winter Lawn Fertiliser - Hardens Turf & Boosts Root Strength, High Potassium 6-5-10 NPK, DEFRA Certified, 1kg

★★★★★
$57.99

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About this item
  • 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.
  • OPTIMAL NPK RATIO FOR ROOT STRENGTH - Formulated with a precise 6-5-10 NPK ratio, this fertiliser is rich in potassium (10) to strengthen the grass against winter stress and contains phosphorous (5) to support deep, healthy root and shoot development.
  • EASY GRANULAR APPLICATION - The premium homogeneous granular product is designed for easy application with a spreader at a rate of 35g per m², covering up to 280m² per 10kg bag, and is available in 1kg, 10kg, and 20kg sizes for HOW TO USE on domestic and professional lawns.
  • TRUSTED UK EXPERTISE SINCE 2010 - A1 Lawn has been supplying high-quality, freshly produced fertilisers and grass seed direct to hundreds of thousands of satisfied domestic and trade customers across the UK for over a decade.
Product details
Brand
A1Lawn
Manufacturer
A1LAWN
Material
Nitrogen 6%
Colour
Green
Size
1kg
Weight
1.00 kg
Model number
AUTUMN-WINTER-FERT-1KG
Part number
AUTUMN-WINTER-FERT-1KG
EAN
5061027552113

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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