Mosaic Pumpkins for Fall Sunday, Oct. 20, 10 a.m.-1 p.m. Create a three-dimensional pumpkin or plaque, perfect for either the Halloween or Thanksgiving holiday. This piece will be an indoor or outdoor decoration. A wide variety of fall-themed shards will be available to cover the pumpkin which is approximately 8 inches in diameter. Plus, bring your own buttons, beads or costume jewelry to add to the piece. You will complete your project including grouting. Cost is $83 for members, $98 for nonmembers including supplies and Arboretum admission. Register at mortonarb.org/education, in the Visitor Center or by calling 630-719-2468.