Mid-summer is the perfect time to trim shrubs that flower in late spring or early summer. A July prune can promote better structure, cleaner growth, and even a second bloom. Plus, it’s the ideal ...

A research team has elucidated the biosynthetic pathways of pyrethrum (Tanacetum cinerariifolium), identifying key genes responsible for pyrethrin production. These findings highlight pyrethrum's ...

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, ...