In France, on kokopelli-semences.fr.
In Africa, contact your nearest House of Artemisia. In accordance with WHO recommendations for the supervision of herbal medicine, seeds and/or small plants are given in the Houses of Artemisia upon completion of training in Artemisia cultivation. Currently, they are not yet available in large quantities. The Houses of Artemisia may possibly sell you seeds, accompanied by up-to-date agronomic and medical recommendations.