Chem Pak

https://www.thompson-morgan.com/the-tool-shed/fertilisers/chempak

Chempak Soluble Plant Foods are formulated to meet those exacting standards of the professional grower and top horticultural exhibitor. They are fully soluble which means they start to work instantly and are ideal for the professional and everyday gardener alike wanting to get the best results from their garden. 

Agrigem

https://www.agrigem.co.uk/fertilisers

Our range of soil, grass and plant fertilisers are available in granular, liquid and soluble form and are suited to a wide range of areas from sports pitches to turf and domestic lawns. Fertilisers are concentrated sources of plant nutrients, essential for plant growth, applied to soil or plant tissue.

Miracle- Gro

https://www.lovethegarden.com/uk-en/product/miracle-gro-all-purpose-soluble-plant-food-1kg

The number one selling plant food, trusted by gardeners nationwide. simply dissolve in water and apply using a watering can or use a Miracle-Gro hose-end feeder.

Carefully balanced to provide plants with essential nutrients required for optimum growth and flowering.

Growmore

https://www.jamiesonbrothers.com/vitax-growmore-10kg-tub

Westland Growmore is an excellent multi-purpose organic plant food which can be used all around the garden. It boosts fruit and vegetable crops and feeds shrubs and borders. A perfectly balanced feed for use with many crops that can be used as a base or top dressing and also helps to build soil fertility.

The Organic Gardening Catalogue

https://www.organiccatalogue.com/equipment/feeds-compost/feeds-fertilisers/

A decent, healthy soil will supply most of the necessary nutrients for your plants, but organic fertilisers can also benefit our growing in a variety of ways. Solid pellets like comfrey or natural slow-release granules are perfect for top dressing soil or adding to your planting pit. This is also known as ‘base dressing’, and is especially useful if you’re planting on poor soil.

Vitax

https://www.crocus.co.uk/product/_/vitax-q4-fertiliser/classid.2000009519/

The experts at Vitax have created the best quality fertilisers, so you know that your garden is in great hands. Every plant has unique requirements that your garden might not be able to fully meet. That’s why you need a tailored fertiliser to provide the complete nutrients that your garden needs. Vitax-Professional products for enthusiastic, garden proud and experienced gardeners.

6x

https://www.ctsgardensupplies.co.uk/plant-and-garden-care/fertilisers/professional-general-purpose-fertiliser/6x-pelleted-chicken-fertiliser-20kg

Six times richer than farmyard manure! 6X 100% Natural Fertiliser contains no peat or chemicals and is a sterilised, weed and pathogen-free natural organic fertiliser so it is safe to use on all plants. It provides balanced nutrition for shrubs, flower beds, vegetables and lawns and is extraordinarily economical.

Tomorite

https://www.crocus.co.uk/product/_/levington-tomorite/classid.2000029308/

Levington® Tomorite® is the UK’s favourite liquid plant food for tomatoes. But it is also ideal for all other fruiting vegetables and flowering pot plants that appreciate a high potash feed. It contains seaweed extract that supplies many micro-nutrients essential for maximum growth and better crops. Ideal for feeding gro bags, giant planters and tomatoes growing in containers and open soil. 

Phostrogen

https://www.kingsseeds.com/Products/Sundries/Fertilisers-Feeds/Original-Phostrogen-Plant-Food-80-Can-Pack-approx-800g?

If you want a healthy garden with bigger plants, better blooms & more vegetables, then Phostrogen® is perfect for you. Phostrogen® All Purpose Plant Food is suitable for use on all garden plants including edible crops, fruit trees, lawns.