Here are some upcoming holiday and horticultural events for November, December and January. They're free unless otherwise noted. Call ahead to see whether registration is needed.
The District
· Through Jan. 4: Windows to Wonderland celebrates the human imagination with all things in miniature. Include a trip to the garden train exhibit. One of Washington's largest indoor holiday trees provides the setting for Tuesday and Thursday evening performances of seasonal music amid blooming poinsettias and other holiday plants. 10 a.m.-5 p.m., 8 p.m. evenings of performances. U.S. Botanic Garden, 100 Maryland Ave. SW, 202-225-8333, http://www.usbg.gov. United States Botanic Garden.
· Nov. 30: Sunday Afternoon Oasis. Explore the late-fall gardens. 1-5 p.m. Hillwood Estate Museum & Gardens, 4155 Linnean Ave. NW, 202-686-5807, http://www.hillwoodmuseum.org.
· Dec. 4, 6: Wreath workshops. Learn from horticulturist Bill Johnson how to create a spectacular wreath of fresh greens. Supplies included. Limited to 15 people. 10:30 a.m.-12:30 p.m. and 2:30-4:30 p.m. $40. Hillwood.
· Dec. 5, 6, 12: Wreath workshops. Use cedar boughs, magnolia leaves, holly, pine cones and boxwood. Supplies included. Dec. 5 and 12, 10 a.m. and 2 p.m.; Dec. 6, 10 a.m. $35. Registration required. Tudor Place Historic House and Garden, 1644 31st St. NW, 202-965-0400, http://www.tudorplace.org.
· Dec. 6: Creating Buildings from Natural Materials. Tour the Windows to Wonderland exhibit and craft your own miniature building using dried plant materials. Supplies included. 9 a.m.-12 p.m. $25; friends of the garden pay $20. Preregistration required. U.S. Botanic Garden.