There is no huge pot of gold to be had by taxing something as easy to grow as a tomato plant.
The Libtardians that claim legalized dope will balance state budgets by taxing it are just blowing smoke. Once legal there is no way to tax it.
It can tolerate a light frost and favors northern climates with long, partly-sunny days, cooler evenings and ample rain. Eastern Washington is close to perfect as is most of New England, Michigan, Wisconsin, Minnesota and the eastern Dakotas. This is also the reason illegal growers favor national forest land in Oregon and northern California.
Some potheads will tell you the Mexican stuff is better. The reason for that is because less rain and humidity means a higher concentration of the hallucinogenic properties. When it and its taxonomic brother hemp was grown for its commercial properties of rope making, the fiber properties were more important and, hence, a climate more like that described for the mint family was favored.
Did you read that before you hit "post"?