A new composition for repelling pests is disclosed, wherein said composition comprises an extract produced from at least one plant chosen from the group consisting of Achillea spp., Varthemia iphionoides, Haplophyllum turberculatum, Pulicaria incisa, Asteriscus graveolens, Tanacetum sinaicum, Verbascum spp., Artemisia spp., and Ammi visnaga. In preferred embodiments, the extract is produced from Achillea spp. Methods for applying the composition are also disclosed. The composition has been shown to be effective against a variety of pests, including aphids, thrips, tomato borers, tomato leaf miners, and whiteflies.