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 ...

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

Dalmatian daisies contain natural pyrethrins that repel and kill a wide range of insect pests. All mums can slightly deter bugs with their scent, but only Chrysanthemum cinerariifolium has enough ...

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After thousands of scientific tests and trials, pyrethrum has met or bettered government safety standards and it's currently considered safe for organic farming. But keeping the northern ...