| High Potency Pyrethrum |
| Chrysanthemum cinerariifolium|
| Uses: Industrial
|| Duration: Perennial (hardy in zones 4-9) |
| When to Sow: Spring/Late Summer/Early Fall
|| Ease of Germination: Easy |
Source of one of the safest of all insecticides. White daisy flowers contain pyrethrins which act directly on the nervous systems of aphids, mites, leafhoppers, cabbageworms and other insects. Will not harm fish, waterfowl, plants or mammals. To make pyrethrum spray, mix 1 tblsp freshly ground dried flowers with 2 qt. (2 litres) hot water. Add a little soap and let stand. This is a high potency strain grown for the world pyrethrum market.