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 they are born.

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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.

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Aphidius colemani
Tube of 500
24.95 inc P&P

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
250 cocoons
£17.95 inc P&P

Aphidoletes aphidimyza midge
1000 cocoons
54.95 inc P&P

Sticky Traps

Will catch and kill flying aphids
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5 Sticky Traps
£7.95 inc P&P


Native ladybirds are a great way to control aphids in the garden - particularly in the summer months.
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Adalia bipunctata
250 Ladybird larvae
£54.95 including UK postage

Adalia bipunctata
25 ladybird adults
£34.95 including UK postage


Lacewings (adults and larvae) also feed on aphids, they eat more aphids per day compared to ladybirds these are one of the best treatments for the summer garden. They also provide some control for other soft bodied insect pests around the garden.
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Chrysoperla carnea
500 Lacewing larve
£29.95 inc P&P

Bottle of Horticultural Soap

The pure liquid soap can be applied with a sponge or with a simple bottle spray. A 250ml bottle dilutes to up to 12.5 litres of solution
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Bottle 250ml
9.95 inc P&P

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
£21.95 inc P&P

250ml bottle
£13.95 inc P&P