(16-Adult) An Extension Master Gardener docent showcases our nationally accredited witch hazel collection, featuring over 200 specimens.  Fragrant, willowy blooms glow red, yellow, purple and copper throughout the gardens from fall through March. $18 per person. Register online at http://www.fairfaxcounty.gov/parks/parktakes or call Green Spring Gardens at 703-642-5173. Code U52.DYPK