You don’t need a greenhouse to grow orchids. Success can be achieved on your windowsill. Learn the essentials of growing orchids: media, light, water, temperature, fertilization, selection and repotting are taught by Lyman Estate Greenhouse Manager and horticulturist, Lynn Ackerman. This workshop will take place Saturday, November 19, from 10 – 12 at the Greenhouses, located at 185 Lyman Street in Waltham. $30 for Historic New England members, $35 for non-members. To register, call 781-891-1985.
