Horticulture Club hosts annual poinsettia sales November 30, 2010 By Communications staff, Washington State University Share on Twitter Share on FaceBook Share on Linkedin share with email share with link PULLMAN – Annual poinsettia sales by the WSU Horticulture Club will be 11 a.m.-2 p.m. Fridays, Dec. 3 and 10, in the greenhouses next to Ferdinand’s Ice Cream Shoppe. A variety of colors is available. Plants cost $11.