Silk Tree Sprays Artificial Silk Tree Sprays Silk Tree Branches Artificial Silk Tree Branches. Silk tree sprays artificial silk tree sprays not made of real silk fabrics. Artificial silks are made of synthetic fabrics. Artificial silks come un-shaped. Don't toss out your old wood tree trunks. Remove the old artificial silk tree srays and add new tree sprays to give them a new fresh look.