Wormwood  Artemisia Absinthium Perennial (hardy in zones 3-9).  Time to sow: Spring to Fall.  Light conditions: Grows in full sun to partial shade. Uses: Culinary, tea, medicinal. Buy wormwood seeds here. Wormwood is a sub shrub perennial and is one of the oldest known remedies for worms. Wormwood has been highly valued since ancient times and is…