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 ...

Don't miss out on the headlines from Sunshine Coast. Followed categories will be added to My News. Pyrethrum is made from an extract from the flower of a pyrethrum daisy, and has been used for over ...

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, ...