Boxwood Spiral Topiary. This classic preserved boxwood spiral topiary is an elegant piece for any room. The lush evergreen spirals around to make an elegant design. Boasting classical beauty, which was displayed in the royal gardens of Renaissance Europe, this is a natural evergreen, treated to preserve its beauty. Materials: Preserved Boxwood. Dimensions: 43"L x 10"W x 43"H; 19 lbs.