13” Artificial Boxwood Balls Shipping Worldwide from Memphis, TN. Since 1987 Silk Tree Warehouse has provided the Highest Quality Artificial Ball Topiary Trees, Artificial Palm Trees, UV Resistant Outdoor Artificial Trees, Bushes, Plants & Topiary for indoor and outdoor decorating. Professional decorators and landscapers Love our wholesale pricing and fast shipping. Satisfaction Guaranteed! If you prefer, you may order direct by calling 888.351.7525 Monday through Friday. We accept all major credit cards & PayPal.