More than 100 Houston area native species will be available, including trees, shrubs, vines, ferns, groundcovers, grasses, meadow forbs, bog and rain garden lovers, and shade tolerant plants. Also available: Bags of leaf mold compost and native hardwood mulch from The Ground Up. Arboretum members receive a discount on all plant purchases. Proceeds from the sale support the Arboretum's education and conservation programs.