I bought a plant at the local farmers market and the woman told me that it was wise to pinch off the branches every so often. I am not sure why she suggested that and haven't read anything about it. And then I can make cuttings in late winter to grow the next summer. Stevia Central More information about growing and using stevia. Mulberry Creek Farm Vendor of stevia plants and green stevia powder.
Site includes cultural instructions for various climates.
This is another good stevia supplier with an informative site. This Canadian page includes numerous photos of plants and stevia fields. The Cultivation of Stevia, Nature's Sweetener Good information on commercial cultivation of stevia resulting from trials in Canada. Compiled by Mike Columbus. Mountain Valley Growers Stevia plants by mail.