Depends on the local conditions. E.g. according to Wikipedia, "In eastern North America, it is susceptible to a leaf miner that may reduce crop success; this le

Depends on the local conditions. E.g. according to Wikipedia, "In eastern North America, it is susceptible to a leaf miner that may reduce crop success; this leaf miner also affects the common weed and close relative Chenopodium album, but C. album is much more resistant." That said, it seems pretty hardy as, "Quinoa's optimal growing conditions are in cool climates with temperatures that range from 25°F/−3°C during the night, to near 95°F/35°C during the day." Source: http://en.wikipedia.org/wiki/Quinoa http://en.wikipedia.org/wiki/Quinoa