Best Phosphorus Based Fertilisers Deals Online in the UK (25 Deals Found)

Last Updated - 23/08/2025 Sort By:

Best Choice
Elixir Gardens

New
Elixir Gardens Triple Super Phosphate Ripening Fertiliser | NPK 0-46-0 | Fruit, Root, Vegetable & Flower Feed | 500g - 2
All purpose granular fertiliser that can be used throughout the season.

£11.47 £12.99
Monal

New
Levington Superphosphate Fertiliser 1.5kg – High Phosphorus Plant Feed for Root Vegetables, Fruit Trees, Shrubs & Flower
✅ Root Development Support: High-phosphorus (0-18-0) formula boosts strong root growth and healthy plant establishment.

£9.00
New
Elixir Bumper Crop High Phosphorus Root Fertiliser | NPK 12-36-12 | Bag or Tub
If you are in an area with acute hard water, Soluble NPK fertilisers can dry on the leaves and leave unsightly residues.

£41.79
Garden Lawncare Guy

New
Seed & Turf Feed - Pre Seeding & Pre Turfing Lawn Fertiliser - Child and Pet Friendly - High in Phosphorus for Lawn Esta
PRE SEED / PRE-TURF FERTILISER - Give your new grass seed and turf the best start with this fast acting, garden safe sta

£13.99
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New
Organic PK Fertiliser. 5% Phosphorous, 5% Potassium & 15% Calcium
Organic PK Fertiliser. 5% Phosphorous, 5% Potassium & 15% Calcium. A ground mineral fertiliser obtained from a mixture o

£9.50
Best Value
WELEDA

New
Weleda Phosphorus 30C - Pack of 125 Tablets
It Should Be Taken As A Short 7 Day Course

£6.95 £7.25
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Elixir Gardens

New
Elixir Gardens Fish, Blood and Bone Organic-Based Fertiliser | 3kg Bag | Treats over 42sqm
STIMULATE YOUR LAWN – Fish, Blood & Bone replenishes lost nutrients, invigorating grass growth for a lusher, healthier l

£9.99
New
Organic Late BLOOM Fertiliser. 0.2-6-12. Potassium & Phosphorous by Dr Forest
Organic Late BLOOM Fertiliser. Potassium & Phosphorous by Dr Forest. Economical - When compared to liquid fertilisers it

£31.50
Elixir Gardens

New
Elixir Gardens Fish, Blood and Bone Meal | Organic-Based Fertiliser | 10kg Bucket | Treats over 140sqm
STIMULATE YOUR LAWN – Fish, Blood & Bone replenishes lost nutrients, invigorating grass growth for a lusher, healthier l

£18.29 £19.49
New
Dr Forest's Organic All-Purpose 3-2-2 Fertiliser. OF&G CERTIFIED ORGANIC
An OF&G Certified Organic All-Purpose Fertiliser. Fine Powder for fast absorption. An excellent value premium organic fe

£36.00
A1Lawn

New
A1 Lawn Ultimate Spring Summer Lawn Fertiliser, 20kg (560m2) – 10-4-4 Nitrogen-Rich Lawn Feed with Potassium & Phosphoru
SPRING / SUMMER LAWN TREATMENT – Our in season ultimate fertiliser feeds your grass with all the nutrients to boost your

£57.99
MURIEL BARGAINS

New
Levington Superphosphate Fertiliser 1.5kg | High Phosphorus Plant Feed for Strong Root Growth | Ideal for Flowers, Fruit
High-phosphorus fertiliser for promoting strong root development – supports early plant growth and boosts flowering and

£10.80
New
2.5kg Triple Super Phosphate (High Phosphorus) Fertilizer & Feed | N.P.K 0-46-0
All-purpose granular fertiliser that can be used throughout the season. Take care not to apply too much, or too early/la

£9.02
MURIEL BARGAINS

New
Levington Bone Meal Natural Root Booster 3.5kg/9kg Bag | Organic-Based Fertiliser for Stronger Roots, Bulbs & Flowering
Traditional organic-based fertiliser – ideal for use on flowers, shrubs, trees, bulbs, and fruiting plants throughout th

£25.20
New
Triple Super Phosphate Granular Fertiliser | Fruit, Flower & Vegetable Feed
All-purpose granular fertiliser that can be used throughout the season. For example when your tomato plants are starting

£43.36
caprican

New
Levington Natural Chicken Manure Pellets 3.5kg & 9kg – Organic-Based Fertiliser for Gardens, Vegetables, Flowers & Lawns
✔️ Organic-Based Nutrition – Enrich your garden with natural chicken manure pellets, packed with essential nutrients to

£10.00
New
Elixir Gardens Bumper Crop High Potassium Fertiliser - NPK: 15-5-30 | 700g-20kg
If you are in an area with acute hard water, Soluble NPK fertilisers can dry on the leaves and leave unsightly residues.

£35.99
New
General Purpose Compound Base Fertiliser | NPK 5-7.5-10 | Bags & Tubs 500g-25kg
Traditional general purpose fertiliser for fruit, vegetables and flowers. General Purpose Base Fertiliser. For roses, mi

£30.99
New
Nutrigrow Quality Spring & Summer Lawn Blend Fertiliser 9-7-7 - 100kg - 2850m²
Nutrigrow Spring Lawn Blended Fertiliser (9-7-7) 100kg. If you are looking for a slow release granular fertiliser, consi

£119.99
New
Dark Green Lawn Fertiliser - High in Nitrogen Greens Grass Fast - Feeds up to 9
Fast Acting, Long Lasting, Non-Toxic Give your grass the key nutrients it needs to grow thick, lush and healthy with our

£17.83
New
NUTRIGROW Phased Release Fertiliser Slow Lawn summer fertilizer 20kg covers 400m
This product is ideal for areas which require the feed to be slowly released over a 12-16 week period. Slow / phased rel

£54.99
New
Pro-Kleen Pre Lawn & Seed Starter Fertiliser - Phosphorus Rich with Nitrogen, Po
Pro-Kleen Pre Lawn & Seed Starter Fertiliser - Phosphorus Rich with Nitrogen, Potassium & Magnesium (NPK 8-12-8 + 3Mgo)

£19.70
New
Vitax Super phosphate Fertiliser Strong Root Growth & Healthy Plant Feed 1.25kg

£8.45 £8.89
New
Soluble Fertilisers Garden Plant Feed for Fuchsias and More by Chempak T&M
A variety of high quality, water soluble fertilisers and feeds for plants all around the garden, ranging from fuchsias t

£12.99
New
Organic Slow Release Fertiliser 4-5-3 | 6-Month Feed for All Plants & Veg Growth
NutrientFlow – Organic Slow-Release Fertiliser for Sustained Plant Growth. Give your plants the nutrients they need with

£8.90

25 Phosphorus Based Fertilisers deals are available from: Amazon, eBay stores, starting from £6.95.
The biggest discount we found is 11% on Elixir Gardens Triple Super Phosphate Ripening Fertiliser | NPK 0-46-0 | Fruit, Root, Vegetable & Flower Feed | 500g - 25kg Available in a Bag or Tub | Covers up-to 266m² | 4kg Bag at Amazon.
The lowest price we found is £6.95 while the highest is £119.99.
Prices for the best Phosphorus Based Fertilisers deals average at £26.19.
Last updated on August 23, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Phosphorus Based Fertilisers.