If replacement trees are planted in a rock or desert landscape ... I have been spraying with pyrethrin until the weather got too warm. Someone recommended using diatomaceous earth on them.

If you suspect thrips are damaging your indoor plants, you can treat them with Neem oil, insecticidal soaps, and/or pyrethrin ...

Q: My fig tree has gotten frostbitten badly ... There are many products, but a strong pyrethrin spray can do a good job for immediate control. Then use a baited ant control in the area around ...

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

This flower, the pyrethrum plant, contains a potent chemical that is made into an effective, and environmentally friendly, insecticide. Gilgil, Kenya — The deadliest flower in the insect world ...