... show depicting the chrysanthemum in art and artifacts through the centuries. Closed Mondays. www.nybg.org. (718) 817-8700, (718) 817-8777. Longwood Gardens in Kennett Square, Pa., is about to open an exhibit of ozukuri raised by ...

... this year are models of Rockefeller Center, St. Patrick's Cathedral and City Hall. Through Jan. 11. Closed Mondays. Fee: $13. For location and opening hours, which change by date, call (718) 817-8700 or see www.nybg.org.