Learn to make an aerium at niche urban garden supply on Wednesday, February 25 from 7 – 9. An aerium is a soil-less terrarium housing airplants, and other epiphytes. Decorated with rocks, shells and moss, they are a low maintenance way to display your favorite airplants. So come on, and find out how to brighten your home with an eye-catching aerium of your own making. You won’t even have to get your hands dirty! The class, co-sponsored with the Boston Center for Adult Education, but taking place at niche, 619 Tremont Street in the South End, costs $34 plus $35 materials cost. Register online at http://bcae.org/index.cfm?method=ClassInfo.ClassInformation&int_class_id=12368&int_category_id=0&int_sub_category_id=0&int_catalog_id=0