Teasel Plant. Opposite prickly leaves join around the prickly stem, catching water. Teasel has abundant seeds, as many as 900 per flower head.
Teasel is a biennial plant native to the old world. That's probably the most economical and reliable way to get started. Thanks to its uses in textile production, teasel has been widely exported around the world, and it now grows wild in a variety of locations.