Buy the 5ft. UV-Resistant Boxwood Spiral Topiary Artificial Tree in Decorative Planter at Michaels.com. Skillfully designed by horticulturists, this topiary tree is a year-round nod to nature's spiraling wonders, crafted from materials that defy the elements and remain evergreen. Place it on your porch for an instant touch of sophistication that says "welcome" all year round.