1201

Thrips

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Time to act
Time to act

Do not Time to act in January

Do not Time to act in February

Do Time to act in March

Do Time to act in April

Do Time to act in May

Do Time to act in June

Do Time to act in July

Do Time to act in August

Do Time to act in September

Do Time to act in October

Do Time to act in November

Do not Time to act in December

These miniscule sap-sucking insects multiply rapidly on leaves. Large colonies are immediately evident, as are the symptoms – silvery-white discoloration of the leaves and distorted shoot tips and buds.

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Symptoms

Packed clusters of tiny yellow insects on leaves produce several symptoms. The leaves turn dull green with silvery-white areas, the buds may fail to open and shoot tips may be distorted.

Find it on

virtually anything from tomatoes to honeysuckle

Organic

There are many different species of thrips, but a biological control in the form of a predatory mite can be used on houseplants and in greenhouses to attack the western flower thrips. Organic pesticide sprays are available, which are based on plant oils or pyrethrum.

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Chemical

Ornamental plants can be sprayed with insecticides containing methiocarb.