How can I get rid of aphids?

Spray the infected plant with insecticidal soap, malathion or pirimicarb. Alternatively, apply an insectiside like fenitrothion, permethrin, or pyrethrum. Tar wash trees in the winter Plant companion plants that attract ladybirds Take measures to repel ants as they carry aphids between plants New insect control keeps bugs – and mildew – at bay