K2 incense is a proprietary blend of herbs sprayed with a chemical intended to mimic the effects of marijuana. There is currently a federal ban on such synthetic marijuana products, and the states...
Everything you need to know about k2 incense, and other "designer drugs" http://www.k2info.org/ this stuff is really bad for you, and the chemicals contain carcinogens. i would avoid it.
A few months ago, I don't know if things have changed since then, I know KnuckleHeads in Madison was selling it. I bought some at a decent price down there.
Clematis vitalba, Pedicularis grandifolia, Canavalia rose, Nelumbo nucifera, Leonurus sibiricus and Heimia salicifolia. Rhododendron tomentosum and Ledum palustre, some of the plants used in k2...