Thompson & Morgan

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Pest & Disease Control


Garden pest and disease control is a constant concern for gardeners - first identifying and then dealing with them! Our handy 'How to prevent & control pests & diseases' guide helps you to identify and treat them. Our extensive range includes natural pest control against slugs, ants, whitefly and more.



We have found 14 products.
 

Ant Killer Powder

Doff Ant Killer is an insecticide powder for use against ants, cockroaches, earwigs, woodlice and other crawling insects in domestic premises. For use indoors and outdoors, on floors, around cupboards, in cracks and crevices, along runs in and around nests, and at points of entry to the property. More info
    • 1 x 300g pack

    • Despatch: Within 3 days
    •  
    • £7.99
    • 1 x 600g pack

    • Despatch: Within 3 days
    •  
    • £11.99

No More Slugs & Snails Copper Tape

This copper tape forms a natural barrier along pots and containers that repels slugs and snails. Using innovative patented technology, this Flexi Copper Adhesive Tape is easier to use, looks better and conforms to uneven surfaces, compared to traditional barrier tapes. Plus, the extra wide 38mm tape is up to 15mm wider, creating a more effective barrier. The specialist adhesive prolongs adhesion and bonds to almost any surface. Pet and child friendly.
Tape is 4m long by 38mm wide.
More info
    • 1 pack

    • Despatch: Within 3 days
    •  
    • £13.99

Marigold 'Tomato Growing Secret'

Tagetes patula, French Marigold

For many decades in certain parts of the old world it has been the practice to grow African or French marigolds of a certain type to repel white fly on tomatoes in greenhouses or outdoors. It has also been found that the tomatoes grow better and bear more fruit with marigolds around them.

 

Culinary note: French Marigold flowers are edible.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Cabbage Collars

Unlike other cabbage collars, these are made from copper impregnated material which helps to repel slugs and to deter cabbage root fly. They will prevent weeds germinating around the plant stems and conserve moisture around their roots. More info
    • 20 collars

    • Despatch: Within 3 days
    •  
    • £8.99

Glue Bands

These bands help protect fruit trees against winter moths if applied from October to April, as well as ants and many other crawling insects if applied from May to August.Bands are made from a special non-toxic, non-drying glue which is coated onto green waterproof paper. Most insects will not try to cross the band - any that do try will be caught. The green colour of the band is not attractive to beneficial insects.Pack consists of 3.5 m of glue band & 8.5m of waxed string. More info
    • 1 pack - large

    • Despatch: Within 3 days
    •  
    • £14.99

Brimstone Rapide

Dramatically reduces and inhibits common scab, such an unsightly blemish on potato skins. Contains 90% elemental sulphur and 10% clay as a binding agent. Completely safe not harmful to people, plants or animals. Since the Clean Air Acts, sulphur deposition from atmospheric pollution has fallen dramatically. Sulphur is essential for plant growth.When applying Brimstone, the soil oxidizes to form a weak sulphuric acid which provides a seasonal lowering of soil pH and a controlled release of the nutrient sulphate. Apply a continuous band of Brimstone along the potato ridge after planting, 15g/metre (½oz/yard). A 600g pack will treat 40 metres of row and the soil will remain acidified until autumn.Also excellent for onions and shallots, and ericaceous plants. More info
    • 1 x 600g pack

    • Despatch: Within 3 days
    •  
    • £11.99

Fly Traps

An easy way to catch whitefly and other troublesome flying insects in your greenhouse. More info
    • 5 traps

    • Despatch: Within 3 days
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    • £8.99
    • 10 traps

    • Despatch: Within 3 days
    •  
    • £11.99

Pond Wizard

Thompson & Morgan's Pond Wizard formulation is designed to clear ponds rapidly. Blanket weed and green algal blooms are rapidly suppressed as they no longer have a food supply. The formulation also provides an efficient biodigestion of the organic detritus on walls and bottom of ponds.Completely harmless to fish or the environment Pond Wizard is suitable for all general garden ponds in which organic waste arises from fish excrement, surplus food or from wind carried leaves and grasses. A 10 gram (1/3 ounce) pack of Pond Wizard is suitable to treat 3000 gallons of water - equivalent to 13.5 cubic metres. Full instructions with every pack. More info
    • 1 x 10g pack

    • Despatch: Within 3 days
    •  
    • £19.99
    • 2 x 10g packs

    • Despatch: Within 3 days
    • SAVE £9.99  
    • £39.98 £29.99

Mole Repelling Bulbs (Sork)

 Customer Rating
A natural solution to mole damage. Once in the ground the bulbs secrete a smell undetectable to humans, but keeps moles and field mice away. They will deter moles for up to 2 years. Plant 8 metres (25 feet) apart and 5cm to 8cm (2 to 3 inches) deep. One pack contains enough bulbs to cover 500sq metres (600sq yards).
More info
    • 1 pack

    • Despatch: Within 3 days
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    • £19.99

Birdscare Humming Line

An effective bird deterrent made of polypropylene tape, which produces a penetrating vibration to harmlessly deter birds, rabbits and other pests. Just stretch it between two stakes and it will start to hum, protecting your vegetable and fruit crops. More info
    • 1 x 30m reel

    • Despatch: Within 3 days
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    • £10.99

Copper Slug & Snail Tape

Stop slugs and snails in their tracks with this self-adhesive copper tape. The serrated edges increase the electrical charge of the copper that deters these destructive pests. Each pack contains two 2.5m strips of copper tape. More info
    • 1 tape pack

    • Despatch: Within 3 days
    •  
    • £15.99

Vitax Bordeaux Mixture

Use this copper compound as a fungicide to control a wide range of leaf diseases on fruits, vegetables and ornamentals including leaf moulds, potato blight, rusts, peach leaf curl, bacterial canker on cherry and plum and apple canker.

Mix with water and apply as a spray. Use as a preventative measure or at the first signs of infection.

Contains copper sulphate.

More info
    • 1 x vitax bordeaux mixture 175g pack

    • Despatch: Within 3 days
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    • £8.99