Use neem oil or insecticidal oil

Use garlic spray to deter pests.

Crush 5-6 cloves of garlic and pour over 1 litre of boiling water.

Leave to cool and strain into a spray bottle.

If you add a teaspoon of liquid soap, this can help the spray stick onto the leaves.

Spray this liberally onto your plants and repeat in a couple of days time.

There is no danger of overdosing garlic spray so reapply whenever you like!

Mist the greenhouse with a fine water spray during hot weather.

Mites prefer dry conditions.

Higher humidity may encourage diseases though, so watch for signs of mildew.

Remove unwanted plants from greenhouse in autumn.