Best 15 15 15 Fertilizer Deals Online in the UK (10 Deals Found)

Last Updated - 09/01/2026 Sort By:

Best Choice
Elixir Gardens

New
Elixir Gardens Autumn Winter Fertiliser, Sports Field, Paddock and Lawn Feed | Made in UK, Optimized for British Climate
Here at Elixir Gardens we supply to many professional growers as well as a range of garden centres, nurseries and landsc

£16.99
Best Value
Elixir Gardens

New
Elixir Gardens Autumn Winter Fertiliser, Sports Field, Paddock and Lawn Feed | Treats 100sqm, Made for British Climate |
Here at Elixir Gardens we supply to many professional growers as well as a range of garden centres, nurseries and landsc

£10.99
Elixir Gardens

New
Elixir Gardens Autumn Winter Fertiliser, Sports Field, Paddock and Lawn Feed | Treats 300sqm, Made for British Climate |
Here at Elixir Gardens we supply to many professional growers as well as a range of garden centres, nurseries and landsc

£24.99
Elixir Gardens

New
Elixir Gardens Spuds Galore Blended Potato Fertiliser/Plant Food | 15-9-20 +9.5% SO3 +1.8% MgO | 100g-25kg Available in
Elixir Gardens Spuds Galore All-in-one Blended NPK Fertiliser with added Magnesium & Sulphur.

£21.99
Solabiol

New
Solabiol Toplawn Plus, 15kg - Natural Fertiliser - Improves Soil Nutrients - Organic Approved - New & Existing Lawns
LAWN FERTILISER: Top Lawn Plus is a 100% naturally effective lawn fertiliser for use throughout the season for a lush gr

£17.80 £18.36
Collier Turf Care

New
Landscaper Pro Autumn & Winter - Lawn Fertiliser 15 kg
Quick acting

£50.99
Elixir Gardens

New
Elixir Gardens Autumn Winter Fertiliser, Sports Field, Paddock and Lawn Feed | Treats 200sqm, Made for British Climate |
Here at Elixir Gardens we supply to many professional growers as well as a range of garden centres, nurseries and landsc

£16.99
Elixir Gardens

New
Elixir Gardens Horse & Pony Paddock Fertiliser Granular 3-15-15 + S | Made in UK, Optimized for British Climate | 1kg-25
Elixir Horse & Pony Paddock Fertilisers are perfect for any field, paddock or large grassed area during the colder month

£16.99
Phostrogen

New
PHOSTROGEN Organic Lawn Food, 15kg - Long Lasting Balanced Organic Lawn Feed - for a Thicker, Greener and More Durable L
LAWN NUTRITION: For A Thicker, Greener, And More Durable Lawn

£22.47
Elixir Gardens

New
Elixir Gardens Growmore 7-7-7 Special Blend All Round General Purpose Fertiliser | 15kg | Treats 300 sq.m
A balanced, all-purpose All-In-One Feed Rich in Essential Nutrients!

£21.99

10 15 15 15 Fertilizer deals are available from: Amazon stores, starting from £10.99.
The biggest discount we found is 10%% on 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 at Amazon.
The lowest price we found is £10.99 while the highest is £50.99.
Prices for the best 15 15 15 Fertilizer deals average at £22.22.
Last updated on January 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 15 15 15 Fertilizer.