You don’t need a greenhouse to grow orchids. On Saturday, November 8, learn the essentials to achieve success on your windowsill. The Beginning Orchid Growing Workshop will be held at the Lyman Estate Greenhouses, 185 Lyman Street in Waltham, from 10 – 12, and the fee to participate is $25. Registration is required at 781-891-1985, or visit www.historicnewengland.org. Greenhouse Manager Lynn Ackerman teaches the best methods for lighting, watering, fertilization, repotting, and selection. Picture from www.orchidcarelady.com.