The key to chrysanthemums' pest-repelling properties lies in the natural insecticide they produce, called pyrethrin. This ...

but oil extracted from the flowers of certain chrysanthemum species has been used in insecticides for centuries. Look for pyrethrum in the list of ingredients on your bug spray; it’s one of the ...

Chrysanthemums tend to have few disease or insect concerns as the flowers contain a powerful insecticide known as pyrethrin.