The phrase "simple garland" refers to a basic and uncomplicated decoration made out of flowers, leaves, or other materials that is often used to adorn spaces and things like doors or tables. Full definition
The dessert table is another way to showcase part of the meal with fun décor elements, like gold pumpkins displayed in a glass vase, feather or floral arrangement, and simple garland like the acorn garland. (inspiredbythis.com)