Activity is set to begin on 21 May in Wellesbourne, 30 May in Norfolk, 31 May in South Lincolnshire and 10 June in Scotland.
For further information see the latest HDC Pest bulletin.
Valuable tools to combat pests and diseases, improve soils and boost nutrient levels.
Whiteflies are sap-sucking insects that can be found in high numbers on protected crops such as tomatoes, cucumbers, peppers, chrysanthemum, fuchsia, abutilon and gerbera. They can also attack outdoor crops including brassicas.
Accurate identification is key to tackling this serious plant disease.
Rudding Park Limited Harrogate
Babylonstoren London (Greater)
Plumpton College Plumpton, Lewes
Castlehaven Community Association Camden, London (Greater)
Royal Horticultural Society (RHS) Woking, Surrey
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