Grow in a garden or container and keep the soil moist but not wet. Marigolds contain a compound called pyrethrum that is foul-smelling to various insects, including mosquitoes. Plant them in a border ...

Crombie, L., J. Chem. Soc. (in the press). Gulland, J. M., and Hopton, G. U., J. Chem. Soc., 6 (1930). Crombie, L., Chem. and Indust., 1034 (1952).

Following a ready market for the cash crop, pyrethrum will be grown alongside other crops such as potatoes, coffee, and maize, among others. [Kipsang Joseph, Standard] Almost two decades after ...