Q: Please recommend a ready to use houseplant spray containing insecticidal soap or pyrethrin that you suggested using to get patio plants ready to move indoors. I have several large geraniums, doing ...

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 ...

Pyrethrum is made from an extract from the flower of a pyrethrum daisy, and has been used for over 100 years and is considered a low-toxicity, reasonably fast knockdown insecticide. Pyrethrum will ...