Silk Boston Ferns Artificial Silk Boston Fern Plants. Artificial silk ferns are made from synthetic fabrics and plastic coated iron wire. Silk Ferns come un-shaped. Some shaping needed. Containers if shown with a product are for show only and are not included in the price of the product unless as noted. Artificial silks are made from synthetic fabrics, plastic coated iron wire and are not made of any real silk. We try our best to accurately display the colors of the silk bushes shown on our website. However, depending on your monitor, we cannot guarantee that your monitor's display of any color will be accurate.