Allotments 4 All

I've grown this in Derby... it is very effective...  :o
http://www.dailymail.co.uk/health/article-2114523/Ancient-plant-remedy-used-Inca-tribes-end-pain-toothache--help-irritable-bowel-syndrome.html

Could you give me some more information, please, how does it grow, how do I source it and how to use, sounds good  :)

T+M had the seeds... under the old name of Spilanthes (?) after that I just started it in cells like lettuce and planted it out on the top lottie..  :-X