JERRY COLEBY-WILLIAMS: When it comes to dealing with problem pests in the garden, pyrethrum is a really good tool. Natural pyrethrum comes from flowers - flowers are the pyrethrum plant which is ...
The yellow center of the 'killer chrysanthemum' contains a natural toxin that is a powerful insecticide. This flower, the pyrethrum plant, contains a potent chemical that is made into an effective, ...
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