What is the border shrub with waxy leaves is used most in Washington State?

The border shrub commonly used in Washington state, known for its waxy leaves, is the Boxwood (Buxus spp.). Boxwood is favored for its dense, evergreen foliage and ability to be shaped into hedges and topiaries, making it a popular choice for formal gardens and landscapes. Its resilience to various weather conditions and adaptability to different soil types further enhance its appeal in the region.