This is, in our humble opinion, the finest line of medicinal herb seeds aptly titled "Strictly Medicinal" from the folks at Horizon. All of these medicinal seeds are certified organically grown with the exception to a few of the species. The few that are not certified organic were wild gathered seeds and harvested in their natural environment. This was done with respect to the region and ecology of the gathering area by our good friend and herbal medicine author Richo Cech. (Please see his selection of marvelous books that we carry.) These seeds are guaranteed fertile and true to species with planting and germination instructions on each packet. Some of the best things in life are right outside your door, so happy planting!