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Fertilisers


Feeding your flowers and vegetables with essential nutrients in the correct balance and at the right time is vital for optimum growth. Featuring a wide range of Chempak® and Thompson & Morgan's own high quality, easy to apply fertilisers for flowers, fruit and vegetables.



We have found 47 products.
 

incredibloom®

 Customer Rating
  • You'll grow up to 4 times more flowers
  • Enjoy healthy and vigorous green foliage
  • Easy-to-use, one-off single application
  • Cost-effective and long-lasting

incredibloom® is a complete plant fertiliser that guarantees that your plants will be fed the correct nutrients as and when they need them. This ground breaking plant feed gives a fast acting, immediate result combined with a slow release, long-term effect and no waste or burning.

Our trials really have demonstrated the benefits of using the right fertiliser and with such dramatic results, it's a false economy not to add incredibloom® to your order.

With an excellent balance of NPK and trace elements, one easy application is all that’s required to keep your plants well fed for the rest of the growing season.


N:P:K - 14-5-19 + (2MgO+22S03) with micro nutrients


For more information about incredibloom® take a look at our helpful article.

 

More info
    • 1 x 100g pack of incredibloom®

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    • + £5 voucher  
    • £4.99
    • Out of stock
    • 1 x 750g pack of incredibloom®

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    • £12.99
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    • 2 x 750g packs of incredibloom®

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    • £25.98 £19.99
    • Out of stock

incredicompost®

 Customer Rating
  • New in 2015
  • Premium reduced-peat multi-purpose compost
  • Promotes strong flower, foliage and root growth
  • Reduces watering
  • Free incredibloom® pack with every bag

New incredicompost® combines the benefits of a professional grade compost and the amazing plant-boosting qualities of incredibloom®. Mix with incredibloom® when planting up containers and baskets for season-long performance from your plants.

More info
    • 25 litres + 100g pack of incredibloom®

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    • £9.99
    • Out of stock
    • 70 litres + 210g pack of incredibloom®

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    • £14.99
    • Out of stock

incredicrop®

  • New in 2015
  • Brings all the benefits of incredibloom® to fruit and veg
  • Easy to use slow-release controlled feed for edibles
  • Utilises unique Double Nitrogen Technology

Enjoy up to 400% more fruit with our new and exclusive Incredicrop® plant fertiliser offering a simple, controlled release for the most incredible harvest.

NPK: 15-9-16 + 19.8S03 with micro nutrients

 

More info
    • 1 x 100g pack of incredicrop®

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    • + £5 voucher  
    • £4.99
    • Out of stock
    • 1 x 750g pack of incredicrop®

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    • £12.99
    • Out of stock

Chempak® Soluble Tomato Food

A high quality, soluble tomato fertiliser suitable for use on all tomatoes, cucumbers, peppers, courgettes, aubergines and soft fruit. Tomato plants are greedy feeders, requiring a continuous supply of nourishment. Chempak® Soluble Tomato Food is specially formulated with essential nutrients, including trace elements, in the correct balance, for heavier cropping and top quality fruit. Magnesium aids fruit setting and keeps the foliage healthy; iron and manganese give colour, flavour and finish and calcium helps prevent Blossom End Rot.


(N:P:K - 11:9:30 + 2.5Mgo)



Useful links:

Chempak fertiliser guideHow to grow tomatoes
How to stop blight

More info
    • 1 x 100g pack

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    • £4.99
    • Out of stock
    • 1 x 1kg pack

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    • £9.99
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    • 12 x 1kg packs

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    • £119.88 £50.00
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Chempak® High Potash Feed - Formula 4

High potash summer fertiliser for tomatoes, flowers and vegetables. The soluble plant food for better blooms and bigger crops. All Chempak Soluble Plant Foods contain seven essential trace elements, far more than ordinary soluble fertiliser. These trace elements are absolutely necessary to plant growth and serious disorders can occur if any are absent. They are fully soluble which means they start to work instantly.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
    • Out of stock

Chempak® Fully Balanced Feed - Formula 3

Multi purpose balanced plant food formula for all house and garden plants

The soluble fertiliser used by professionals and leading growers. All Chempak Soluble Plant Foods contain seven essential trace elements, far more than ordinary soluble fertiliser. These trace elements are absolutely necessary to plant growth and serious disorders can occur if any are absent. They are fully soluble which means they start to work instantly. Chempak Formula 3 has identical proportions of the primary nutrients - nitrogen, phosphate and potash, which make it perfect for all plants all year round.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
    • Out of stock

Chempak® High Nitrogen Feed - Formula 2

The early season fertiliser for greenhouse and garden

A soluble rapid growth plant food formula as used by exhibition growers with higher nitrogen for spring feeding. All Chempak Soluble Plant Foods contain seven essential trace elements, far more than ordinary fertiliser. They are fully soluble which means they start to work instantly. Chempak Formula 2 has a high nitrogen content, particularly useful for the start of the season, getting the leaves and stems of young plants off to a strong start.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
    • Out of stock

Chempak® Yearlong Fertiliser

A once a year feed and forget fertiliser continuously releasing nutrients, providing a controlled flow of plant food just where it is needed around the root system.

Ideal for all trees, shrubs and ericaceous plants and particularly recommended for long term feeding of container plants.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

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    • £9.99
    • Out of stock

rootgrow™

rootgrow™ Seed & Bulb companion is a specially formulated blend of UK origin mycorrhizal fungi that will benefit virtually all seeds, plants and bulbs (except brassicas, rhododendrons, azaleas, heathers, cranberries or blueberries). In a matter of weeks seedlings will develop a huge secondary mycorrhizal root system, supporting your plants for their entire lifetime, supplying nutrients that will greatly enhance flowering and fruiting.
  • - Increased resistance to damping off
  • - Only one application required
  • - Healthier and more even growth
  • - Lasts lifetime of plant
  • - Better uptake of nutrients leading to better flowers, fruit and vegetables.
More info
    • 1 x 80g pack

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    • £2.99
    • Out of stock

Chempak® Low Nitrogen Feed - Formula 8

A summer fertiliser for heathers, confiers and other plants. Useful for building up vegetables

A fully soluble lower nitrogen plant food for mature growth. All Chempak Soluble Plant Foods contain seven essential trace elements, far more than ordinary soluble fertiliser. These trace elements are absolutely necessary to plant growth and serious disorders can occur if any are absent. They are fully soluble which means they start to work instantly.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
    • Out of stock

Chempak® Multipurpose Compost Base

Converts peat into multipurpose compost.

Chempak Multipurpose Compost Base is precisely balanced to allow germination of seeds, yet strong enough for vigorously growing plants. It makes a true multipurpose compost that is ideal for all growing environments, inexpensive and gives superb results.

Makes 100 litres - sufficient compost for at least:-28 seed trays or 240 x 3½" pots or 80 x 5" pots or 40 x 7" pots,or 25 x 8" pots or 18 x 9" pots,or 12 x 10" pots or 3 x growing bags.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
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Chempak® Fuchsia Feed

The perfect soluble plant food for fabulous fuchsias!

This specialist plant food for all types of fuchsia means bigger plants and better flowers. Chempak Fuchsia Food will produce the very best plants. An almost balanced formulation with a slightly higher potash content, and high magnesium and trace elements for strong colour and healthy dark foliage. Fully soluble, the formula will start to work instantly.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 800g pack

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    • £9.99
    • Out of stock

Chempak® Potato Fertiliser

Chempak organic potato fertiliser is a specially formulated granular fertiliser with essential nutrients for growing potatoes, in the correct balance, slowly released throughout the season to give tastier and increased yields of quality potatoes.

(N:P:K - 4-6-12 +4MgO) 1kg is sufficient for planting 4 x 2.5m (8ft) rows of potatoes.



Useful links:

Chempak fertiliser guide

More info
    • 1 x 1kg pack

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    • £9.99
    • Out of stock

Chempak® Vegetable Fertiliser

An all-purpose base and top dressing with four distinct phases of release of the most important plant food; nitrogen, released in a steady flow over a period of time, in conjunction with phosphates and potash providing your plants with all the nutrients they need throughout the season.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 1kg pack

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    • £9.99
    • Out of stock
    • 2 x 1kg packs

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    • £18.99 £14.99
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Chempak® Lawn Green Fertiliser

This is a high nitrogen, soluble lawn feed, the nitrogen content coming primarily from urea. Being soluble it is easy to apply by watering can, and/or hose end dilutors.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 1.2kg pack

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    • £9.99
    • Out of stock

Chempak® Orchid Growth Formula

High nitrogen food for strong and sturdy orchid growth

High nitrogen liquid fertiliser containing plant foods, magnesium and six trace elements to promote growth in all species of orchids at all stages of growth from young plants to mature specimens.

Useful links:

Chempak fertiliser guide

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    • 1 x 250ml bottle

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    • £5.99
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    • 12 x 250ml bottles

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    • £71.88 £55.00
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Chempak® Summer Food for Citrus Trees

High nitrogen fertilser formula to boost bushiness and growth

Ideal for helping to prevent fruit drop and premature ripening of immature fruits. Also helps to prevent leaf discoloration.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Chempak® Potting Base with Soluwet Wetting Agent

Inexpensive and easy way to convert peat into potting compost

Chempak Potting Base is a reliable method for converting peat into compost which is ideal for re-potting and potting on plants and hanging baskets, window boxes, patio containers and shrubs, planters, large pots and growing bags. Use in conjunction with Soluwet Wetting Agent which will help to 're-wet' the compost, promote germination, lessen evaporation and reduce watering.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 795g pack

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    • £9.99
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Clematis Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your clematis without wastage or leaching. Just one application feeds your clematis plants for the whole season.

Easy to apply – just mix it with compost when potting up young clematis plants or add to each planting hole before planting individual clematis plants in borders.


Useful links:

How to prune a clematis

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    • 1 x 100g pack

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    • £9.99 £4.99
    • Out of stock

Chempak® Palm Fertiliser

The perfect feed for all indoor and outdoor species of palms, potted or soil grown. High magnesium and trace element levels.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Chempak® Sulphur

Important trace element gives ericaceous plants the ideal soil base for healthy growth

Many ericaceous plants will not grow, or will show signs of trace element deficiencies if the soil is not ideal for that plant. Most common ericaceous (lime-hating) plants will not grow in limey soils. Chempak Sulphur chips will gradually reduce the pH content to make the soil suitable for healthy growth.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

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    • £9.99
    • Out of stock

Chempak® Onion Fertiliser

Chempak organic onion fertiliser is a specially formulated granular fertiliser with essential nutrients, in the correct balance, slowly released throughout the season to give tastier and increased yields of quality onions, shallots and garlic.

1kg is sufficient for planting 75 onion sets in a 7.5m (25ft) row.

(N:P:K - 6-5-7+4MgO)



Useful links:

Chempak fertiliser guide

More info
    • 1 x 1kg pack

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    • £9.99
    • Out of stock

Chempak® Orchid Bloom Formula

High phosphate and potash feed for beautiful blooms High phosphate and potash liquid fertiliser containing plant foods, magnesium and six trace elements to promote flower formation in all species of orchids.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 250ml bottle

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    • £5.99
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    • 12 x 250ml bottles

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    • SAVE £16.88  
    • £71.88 £55.00
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Chempak® Cactus and Succulent Fertiliser

A water soluble, high phosphate feed ideal for Cactus and Succulents growing in small containers, often in artificial light conditions.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
    • Out of stock
    • 12 x 200g packs

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    • £71.88 £35.00
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Petunia Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your petunias without wastage or leaching. Just one application feeds your petunias for the whole season.

Easy to apply – just mix it with compost when potting up young petunia plants or add to each planting hole before planting individual petunia plants in borders.

More info
    • 1 x 100g pack

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    • £7.99
    • Out of stock

Rose Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your roses without wastage or leaching. Just one application feeds your roses for the whole season.

Easy to apply – just mix it with compost when potting up young rose plants or add to each planting hole before planting individual rose bushes in borders.

More info
    • 1 x 100g pack

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    • £7.99
    • Out of stock

Chempak® Magnesium

Specialist plant food to put the colour back into flowers and vegetable greenery.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

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    • £9.99
    • Out of stock

Chempak® Seed Base with Soluwet Wetting Agent

Inexpensive and easy way to convert peat into seed and cutting compost

Chempak Seed Base is a reliable method for converting peat into seed and cutting compost which is ideal for sowing seeds, striking cuttings and for the first potting up of seedlings. Use in conjunction with Soluwet Wetting Agent which will help to 're-wet' the compost, promote germination, lessen evaporation and reduce watering.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 525g pack

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    • £9.99
    • Out of stock

Bulb Fertiliser

Give your bulbs a boost with this Universal Bulb fertiliser. This unique blend of controlled release fertiliser will supply your bulbs with all the nutrients that they require to flower to their fullest potential. No further feed is required as Universal Bulb Fertiliser works for up to 6 months. Easy to apply – just mix it with compost prior to planting or add to each planting hole before planting individual bulbs. More info
    • 80g pack

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    • £7.99
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Begonia Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your begonias without wastage or leaching. Just one application feeds your begonias for the whole season.

Easy to apply – just mix it with compost when potting up young begoniua plants or add to each planting hole before planting individual begonia plants in borders.

More info
    • 1 x 100g pack

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    • £7.99
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Strawberry Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your strawberries without wastage or leaching. Just one application feeds your strawberries for the whole season. Easy to apply – just mix it with compost when potting up young strawberry plants or add to each planting hole before planting individual strawberry plants in borders. More info
    • 1 x 100g pack

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    • £7.99
    • Out of stock

Soluble Fertiliser

A nutritionally balanced, soluble plant food suitable for everyday general purpose feeding. More info
    • 1 x 350g pack

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    • £9.99
    • Out of stock

Tree Fern Feed

More info
    • 1 x 500ml pack

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    • £9.99
    • Out of stock

Chempak® African Violet Fertiliser

A water soluble, high phosphate food with trace elements, which has been specially formulated for African Violet plants growing in small containers, often in artificial light conditions.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Chempak® Bonsai Tree Fertiliser

A water soluble, high phosphate feed with trace elements, specially formulated for Bonsai. Ideal for plants growing in small containers often in artificial light conditions.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Chempak® Orchid Fertiliser

A water soluble, all-purpose fertiliser to help get the best from your orchids. Ideal for plants growing in small containers often in artificial light conditions.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Chempak® Trench Fertiliser

Slow release fertiliser with high trace element content. Use over winter to prepare soil for exhibition standard flowers and vegetables, (chrysanthemums, dahlias, leeks, onions, sweet peas, roses etc.)

Useful links:

Chempak fertiliser guide

More info
    • 1 x 3kg pack

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    • £13.99
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    • 5 x 3kg packs

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    • £69.95 £60.00
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Fruit Multi-Purpose Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your fruit plants without wastage or leaching. Just one application feeds your fruit for the whole season.

Easy to apply – just mix it with compost when potting up young fruit plants or add to each planting hole before planting individual fruit plants in the ground.

More info
    • 1 x 100g pack

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    • £4.99
    • Out of stock

Potato Fertiliser

Give your potato crop a growth burst with this high potash (4.5-2-7.5) granular fertiliser. More info
    • 1 x 100g pack

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    • £4.99
    • Out of stock

Geranium Fertiliser

These high quality fertiliser granules release a constant, controlled supply of nutrients to your geranium without wastage or leaching. Just one application feeds your geraniums for the whole season.

Easy to apply – just mix it with compost when potting up young pelargonium plants or add to each planting hole before planting individual geranium plants in borders.

More info
    • 1 x 100g pack

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    • £7.99
    • Out of stock

Comfrey Pellets

All the superb attributes of comfrey - rich in potash, trace elements and minerals - for all of your vegetable plants, particularly beneficial with potatoes. Apply the pellets direct when planting, 125g per sq.m, also makes a concentrated liquid feed (200g steeped in 1 litre of water for 3 days, then diluted 1:25 as a foliar feed). Pellets can be added to rotted garden/ farmyard compost, 600g incorporated in 125 kgs of compost. Comfrey pellets naturally enrich the soil, as a soil conditioner, essential for the long term health of your vegetable garden. More info
    • 1 litre bag - 600 gms

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    • £15.99
    • Out of stock

Chempak® Ericaceous Fertiliser

Soluble plant food for rhododendrons, azaleas, hydrangeas, camellias, most heathers and conifers, pieris and other acid-loving plants.

Directions for use:
Chempak Ericaceous Fertiliser is a multifunctional product providing essential trace elements unavailable in high pH soils and an acidifier to lower soil pH, thereby releasing further natural trace elements. The unique lime-neutralising formula combats hard, limey water producing plants that show strong growth and good foliage.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

    • Despatch: By end of January 2016
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    • £9.99

Chempak® Clematis Food

The perfect fertiliser feed for all your climbing plants. Chempak Clematis Food is excellent for clematis, honeysuckles, hanging baskets, bedding plants, flowers, fruit, vegetables, dahlias, houseplants, gladioli, ornamental trees, begonias, fuchsias and geraniums.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

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    • £9.99
    • Out of stock

Chempak® Winter Food for Citrus Trees

Specially formulated winter plant feed. Chempak Winter Food for Citrus Trees is a balanced fertiliser containing natural trace elements, which will encourage natural sustained winter activity, including fruit ripening. It will also help to prevent leaf fall and leaf discolouration.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 200g pack

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    • £5.99
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    • 12 x 200g packs

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    • £71.88 £35.00
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Comfrey 'Bocking 14'

Symphytum x uplandicum 'Bocking 14', Russian Comfrey

Grow your own soil conditioner! Comfrey 'Bocking 14' contains high levels of basic NPK nutrients and because it is a sterile hybrid, it won't self seed all over your garden.


The nutrient rich foliage of comfrey can be used as a compost activator, mulch, or soaked in barrels of water for 3 to 5 weeks to make a useful liquid feed for tomatoes and beans. Scatter the wilted leaves throughout potato trenches just before planting, to fertilise the crop and improve their flavour! Once established, this quick growing plant can be cut 3 or 4 times throughout the growing season, for a constant supply of nutrient rich, organic, comfrey fertiliser. Height: 100cm (40"). Spread: 75cm (30").


Useful links:

How to grow herbs

More info
    • 5 comfrey root cuttings

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    • £11.99
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Chempak® Sequestered Iron with Magnesium & Manganese

Corrects and prevents leaf yellowing and boosts plant health

Chempak Sequestered Iron is a fast, effective method of preventing and correcting leaf chlorosis or yellowing, a problem usually caused by high pH or limey soils. Iron is a vital trace element which is commonly unavailable to plants because of adverse soil conditions. Chempak Sequestered Iron also contains magnesium and manganese, both essential trace elements.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 250g pack

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    • £7.99
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    • 10 x 250g packs

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    • £79.90 £50.00
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Chempak® Calcium Multi Action Fertiliser

Boosts crop growth and helps prevent disorders such as blossom end rot, lettuce tip burn and apple bitter pit. A specially formulated plant food which provides a rapid uptake of calcium and nitrogen, Chempak Calcium offers multipurpose action for improved growth, higher yields and healthy plants and can be used for fruit, vegetables, tomatoes, bedding plants etc.

Calcium is an important plant food required by all plants in moderate quantities. A deficiency has serious effects on plant growth. Chempak Calcium provides both water soluble nitrogen and calcium which are essential elements for plants. This unique property has advantages not found in other fertiliser, making it one of the most valuable nutritional products on the market today.

Useful links:

Chempak fertiliser guide

More info
    • 1 x 750g pack

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    • £8.99
    • Out of stock