Organic Controls for Garden Pests
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Aphids - a major garden pest

Aphids are soft bodied insects which live on the sap of a wide number of plants. You will find them on the underside of leaves, and also clustering around buds and flowers. Aphids are generally greenish but can also be black, orange, or shades of brown. The green aphids typically found on roses are usually called "greenfly", and the fat black aphids often found on broad beans are called "blackfly".

Some Aphids have wings to fly in from outside and set up new Aphids colonies at any time. Aphids multiply extremely fast during warm weather by producing live young Aphids which already have the next Aphid generation developing inside them when Aphids are born.

Click here for Aphid Treatments

Identifying Aphids

Aphids are a few mm across, so you should be able to see them without a magnifying glass. Look for little pear-shaped bodies with thin spindly legs and pipes called "cornicles" at the bottom of their abdomen. They don't move around very fast because they are usually in the process of feeding. Look out for aphids from Spring to Autumn, and it's much better to treat for aphids before they build up big colonies.

Some of the more common species found in greenhouses include the green peach aphid (Myzus persicae) which vary in colour from pale yellow to green to pinkish-red and the melon or cotton aphid (Aphis gossypii) and the black bean aphid (Aphis Fabae). There is also an aphid that specialises in brassicas called the Mealy cabbage aphid (Brevicoryne brassicae)

Why control or treat for aphids?

Aphids suck the sap out of the leaves and stems of the host plants, weakening them and causing distortion to emerging flowers and leaves. Bad Aphid infestations are very debilitating. The buds don't swell fully, and often the flowers and fruit are small. Unchecked an infestation can wipe out seedlings and young plants so it is best to introduce controls for aphids as soon as you find aphids in the garden.

It's not just the physical damage that aphids do but because aphids feed directly on the sap they are thought to be responsible for passing on viruses and other pathogens from plant to plant.

You won't be able to see any holes or bite marks because aphids feed by jabbing their long sharp mouth parts into the soft parts of the plant and sucking out the juices into their body.

Aphids excrete a sticky honeydew which turns black in damp conditions, resulting in sooty mould. This blocks the leaf pores and cuts out light falling on the leaves, apart from being quite unsightly, this sooty mould can starve the plant by blocking photosynthesis. Early aphid treatment will prevent all these problems.

Products to control and destroy Aphids

We sell a number of different treatments to control and eradicate aphids. The best treatment for your situation will depend upon the time of year and whether the aphid problem is an enclosed space like the house or a greenhouse or in your garden.

Aphidius colemani

This is our most effective control for aphids in enclosed spaces and glasshouses and is favoured by commercial growers.

More information...

Aphidius colemani
Tube of 500
24.95 including UK postage

Aphid Midges

The Aphid Midge will tackle a wide range of aphid species and is particularly useful for controlling aphids in early and late season.

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Aphidoletes aphidimyza midge
Blister pack - 250 cocoons
18.00 including UK postage

1000 cocoons
55.00 including UK postage

Sticky Traps

Will catch and kill flying aphids
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5 Sticky Traps
7.95 including UK postage


Native ladybirds are a great way to control aphids in the garden - particularly in the summer months.
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The ladybird breeding season is over for this year, so we won't have any ladybirds available until April 2018


Lacewings (adults and larvae) also feed on aphids, because there are 500 in the pack and they eat more aphids per day compared to ladybirds these are one of the best treatments for the summer garden.
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Chrysoperla carnea
500 Lacewing larve
32.00 including UK postage

SB Plant Invigorator

SB Plant Invigorator is an insecticide made from plant extracts which stimulates plant growth as well as destroying insect pests. Used regularly it is very effective both indoors and in the garden.
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SB Plant Invigorator
500ml bottle
22.00 including UK postage

250ml bottle
14.50 including UK postage

Garlic Wonder

Garlic Wonder is a dilute solution of garlic extract which acts as a deterrent and plant stimulant. Can be used as an aphid deterrant in the house, greenhouse or garden.
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Garlic Wonder
500ml bottle
17.50 including UK postage