Register for the Windowsill Herb Gardening Workshop at the Lyman Estate in Waltham, Massachusetts.  The workshop runs from 10:00 a.m. to 1:00 p.m.  Garden and Landscape members of Historic New England will propogate herbs to be grown at home.  Growing culinary, medicinal, and ornamental herbs is not difficult once you master a few important techniques.  The workshop is followed by a tour of the Historic Lyman Estate Greenhouses and includes lunch.  Admission is $25.  Call 617-227-3957, ext. 264 to register and become a Garden and Landscape member.