It's in the "mint family" for sure. All those plants have square stems. http://homeguides.sfgate.com/plants-square-stems-65980.htmldipence71 said:[url]http://www.theeasygarden.com/forum/uploads/thumbs/6301_image.jpg[/url]
What is this. Is this a mint or what it is growing in my chicken yard and the chickens dont destroy it. it has a square stem. smells minty.