The most beautiful Poinsettias of the Holiday Season will be from Sertoma Center. The professionally grown 6 1/2â€ Poinsettias will be available from December 2nd â€“ December 20th. Since 1961 Sertoma Center has supported men and women with developmental disabilities in East Tennessee. Proceeds from the annual Holiday Sale go to make certain that the Holidays are bright for the more than 140 individuals served by Sertoma Center. The cost per Poinsettia is $8.50 with volume pricing and delivery available. Call or e-mail your order today. [email protected] or 524.5555 ext 230. Be sure to let them know you heard about them at Knoxpatch.com! When is a Poinsettia more than a Poinsettia? When it comes from Sertoma Center!