A big sale on new plants and garden accessories. Talks led by personalities from the horticulture world.

January 1 to May 14: Tuesday to Sunday, 9 a.m. to 5 p.m. (open on Mondays March 2 and April 6); May 15 to September 3: daily, 9 a.m. to 6 p.m.; September 4 to November 1: daily, 9 a.m. to 9 p.m.; November 2 to December 31: Tuesday to Sunday, 9 a.m. to 5 p.m. (closed on December 24 and 25).