Silk Olive Trees Artificial Silk Olive Trees. Silk olive trees, silk Italian olive trees not made of any real silk. Silk products come un-shaped, some need potting. Some come potted. Height is from bottom of stem to top leaf or if potted, bottom of pot to tip of top leaf unshaped. Products: Due to each monitor screen / tablet difference / mobile phone, the item's colors might be slightly different from the picture shown.