Tourists flock to Rwanda's mountains to see its famed gorillas, but now the small nation is working to diversify its economy with a natural insecticide farmed on nearby fertile foothills. Pyrethrum, a ...

One of the oldest pesticides known, pyrethrum is also the strongest insecticide allowed under National Organic Standards guidelines. Made from the dried flowers of a little white daisy now classified ...

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, ...