Top 10 High Phosphorus Fertilizer UK – Flower Fertilisers

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1. Compo

High Phosphorus and Potassium 250ml, COMPO Fertiliser for Cyclamens and Bulbose

Compo - With potassium for durable blooming in bright colours. Immediate action ensures healthy plant development. Npk 4-6-8 fertiliser solution. Specially designed composition to nourish plants in a balanced way. With microelements.
Height15.5 cm (6.1 Inches)
Length6.3 cm (2.48 Inches)
Weight0.28 kg (0.62 Pounds)
Width7 cm (2.76 Inches)
Part Number1413612005

2. Ivisons

Ivisons 1KG 6-9-6 Pre Seed Lawn Fertiliser | Helps Establish New Lawns & Turf | A Homogenous Quick Release Fertiliser Promotes A Health Root System | High Phosphorus Levels Aid Seedling Establishment

Ivisons - Ivisons pre grass seed fertiliser can also be used as a lawn tonic to green up your lawn. You can either spread your fertiliser by hand or by using a spreader. Spread 3-5 days before sowing, making sure you've watered the granules thoroughly so they can dissolve and the soil can soak up all the nutrients. The potassium content will help the grass become strong and hardy, fighting off any diseases that seedlings are susceptible to.

When your lawn is healthy from the very beginning, it will repel weeds and resist disease. Why choose ivisons pre seed fertiliser - ivisons pre lawn fertiliser is a proven mix that helps the soil get the nutrients it needs to help your new lawn establish quickly and stay healthy. Application rate - 35g per square meter. With cheaper blended fertilisers, the analysis is represented in the bag rather than each granular, parts of your lawn may grow quicker than others and the colour of the grass may differ throughout.

Customer service – if at any point - for whatever reason - you’re unhappy or have any questions about our Pre Seed fertiliser, don’t hesitate to contact us! We’ll do our very best to ensure your satisfaction. Only apply during the growing season, normally April to October. Treatments must be At least 6 weeks apart. How to apply - ivisons high quality granules allow for instant application without needing to mix the product with water. Using a blended fertiliser can lead to a patchy lawn, this means that each granule has the same nutrient analysis to ensure an even spread of nutrients across the sown area.
Part Number1

3. Chempak

Chempak High Potash Feed Fertiliser Formula No.4 750 Gram Box

Chempak - Use:dissolve 2 level measures of crystals in 5 litres approx. 1 gallon of water and apply to your plants every 7 to 10 days. Fertiliser formula no. 4 800 gram box.

4. Elixir Gardens

Elixir Gardens High Phosphate Soluble plant food with trace elements VArious Sizes 100g-25kg NPK 10-52-10+TE | 1kg Bag | Makes 1000L of liquid feed

Elixir Gardens - Additionally supplied packaging may differ from that displayed. Various Weights. A superb feed for plants that demand high levels of phosphates but still need nitrogen and potash.

Note: the appearance of this fertiliser can change between batches due to the raw ingredients used in production. Ideal for feeding and developing plant roots and an excellent feed for turnips potatoes, carrots, spring onions and all other root crops. Here at elixir gardens we supply to many professional growers as well as a range of garden centres, nurseries and landscaping businesses. A fully water soluble plant food that is high in phosphates, with added nitrogen and potash with trace elements.
BrandElixir Gardens
Weight1 kg (2.2 Pounds)
ModelNPK 10-52-10+TE

5. Elixir Gardens

Shrub & Hedge Fertiliser | 500g-25kg Weights Available in Bags & Tubs | Slow Release Phosphorus Root Feed | 10kg Tub | Treats over 140sqm, Elixir Gardens Bumper Crop Tree

Elixir Gardens - N. P. K - 5-19-10+3mg. Also highly effective as a base fertiliser/top dressing for Trees, Shrubs and Hedges as well as when re-seeding Turf.

Additionally supplied packaging may differ from that displayed. Potassium content helps prevent disease and helps strong growth, whilst nitrogen will encourage chlorophyll creation. Note: the appearance of this fertiliser can change between batches due to the raw ingredients used in production. All season fertiliser perfectly suited to Trees, Shrubs and Hedges. High phosphorus content will aid the nutrient movement and is essential in a plants ability to photosynthesize well.
BrandElixir Gardens
Weight10 kg (22.05 Pounds)

6. Elixir Gardens

Elixir Gardens High Potassium Liquid Fertiliser/Plant & Lawn Food | N.P.K 6-6-12 | Various Sizes 500ml-5L | 1L Makes up to 250L of liquid feed | 1 Litre Bottle

Elixir Gardens - Please note: product may be supplied with plain black and white label, with all relevant information stated. Note: the appearance of this fertiliser can change between batches due to the raw ingredients used in production. Many uses for all fruiting and flowering plants. Recommended application rate: 4-8ml per litre of water. Additionally supplied packaging may differ from that displayed. Npk 6-6-12. High potassium Liquid feed for use all through the growing season.
BrandElixir Gardens
ManufacturerElixir Gardens
ModelN.P.K 6-6-12

7. Garden Lawncare Guy

Garden Lawncare Guy, Pre-Seed & Pre-Turfing Lawn Fertiliser, High in Phosphorus for Lawn Establishment, Seed Start, Child and Pet Friendly

Garden Lawncare Guy - Healthy seeds & turf - give your new grass seed & turf the best start. All our products are tried and tested for outstanding results in UK lawns and gardens. This high phosphorus starter fertiliser contains nitrogen, potassium and phosphorus to gently feed your new seed and turf.

Use from 1 week before seeding or turfing up to 6 weeks after. Apply at 25-35 grams per square meter for fast acting results. Pre seeder / pre-turf - suitable for grass seeds or turf. Children and pets can resume use after application. Made in the uk - produced in the uk by lawn care specialists. Seed start feeds the soil for healthy root development and establishment new grass. Easy to use & non staining - keep your hard surfaces clear with our non staining micro lawn feed granules. Child & pet friendly - dog, cat and child Friendly grass feed that's non toxic and safe for home use.
BrandGarden Lawncare Guy
ManufacturerGarden Lawncare Guy
Part Numberfertiliser-seed-2.5kg

8. Elixir Gardens

2.5Kg, Elixir Gardens ® Triple Super Phosphate Fertilizer, N.P.K. 0.46-0

Elixir Gardens - Note: the appearance of this fertiliser can change between batches due to the raw ingredients used in production. Ideal for use on plants that produce fruit or flower. Effective additive for plants with phosphorus deficiencies. An excellent source of phosphorus that can be used at any stage of plant life. Here at elixir gardens we supply to many professional growers as well as a range of garden centres, nurseries and landscaping businesses. Additionally supplied packaging may differ from that displayed.
BrandElixir Gardens
Weight2.5 kg (5.51 Pounds)
ModelN.P.K. 0.46-0


250ml, FLORAISON, JAMAICAN BLOOM, Flowering Fertilizer, MADAME GROW, Organic Fertilizer

MADAME GROW - Flowering : it is recommended for the whole flowering phase, if you are going to combine it with BAZOOKA BLOOM K30, we will substitute the one for the other at the beginning of the fattening.

Naturel : it is 100% organic, it contains amino acids, phophor 28, potassium 25 and bioencapsulated molybdenum that help obtain the best results in the first phase of flowering of your plante. Phosphore & potassium : higher production, you will obtain a greater harvest with this powerful bloom stimulator with high concentration of phosphorus and potassium designed by MADAME GROW. Productivity : pk 28-25, jamaican bloom stimulates and puts on an overdimensioned way the flowering of your plant, improving the results. Performance : increase the production of flowers, with more hair and more resin, therefore you will get heavier buds.
ManufacturerVegetal Bioplant
Part Number1

10. Dr. Joe

Feed House Garden Potted Plants, 14 Effervescent Tablets Makes 56 litres…, High Yields & Quality, Dr. Joe Nutri Bubble Plant Food, Multipurpose Soluble Fertiliser with Micro Nutrients

Dr. Joe - Joe nutri bubble prevents plant deficiencies and diseases and increases yield by providing plants with microelements. For all plants and life stage : use on all vegetables, and all trees and shrubs in your garden. Drop and go : no measuring, no spoons required.

No mixing, it is super easy and fun to use. Contains 2% nitrogen, manganese edta, zinc edta, boron, Iron EDDHA, Copper EDTA, 13% Potassium, and Molybdenum. Feed your plants to grow much faster, and more vibrant while watering. Just drop, no stirring required using Dr. Just drop 1 tablet into 4 litre of water. Works instantly : whether you are a pro or never gardened before, healthier, you will be able to create blooming plants in no time.

Micronutrients supplement : dr. No mess : a little goes a long way. Also great for use during a variety of life stages, fruits, flowers, potted houseplants, repotting, including transplanting, and rooting. Feed your plants every week when plants are actively growing. Compact and comfortable. Joe's drop-and-go 2-step formula, fizzing tablet freely dissolves into the water. 56g of 14 tablets make 56 litres of fertiliser and each tablet covers up to 10㎡ of garden.
BrandDr. Joe
ManufacturerNousbo USA Inc
Height1.78 cm (0.7 Inches)
Length14.48 cm (5.7 Inches)
Weight0.06 kg (0.12 Pounds)
Width3.05 cm (1.2 Inches)
Part Number10072020