Anybody ever hear of a tanzi plant? Does it repell mosquitos, and where on earth can you gain them?

I cleared weed away from two Large Trees...
Answers:    There is a Tansy, Latin name tanacetum. There are several species of this, including fever-few, chamomile and chrysanthemum. Try the USDA site (usda.gov) for which plant you are looking for. I know of medicinal uses for several of these plants, but am not aware of mosquito repelling properties.
I have need of simile support... "Harmless as...