Woodlink 28552 Heavy Duty Cedar Mason Bee, Small Insect House, 9.5" H, Wood Add more valuable bee pollinators to your garden with heavy duty cedar Mason bee house. These professional-grade Mason bee houses have removable cedar trays for annual cleaning. They are called masons because they work with mud to build seal their nests. Mason bees are attracted to flowering plants, such as vegetables, fruit trees bushes, flowering annuals, perennials vine plants. Their work in the spring can determine the volume of fruit or vegetables that will be available to harvest. Mount to a post or wall ideally near a source of mud. For best results, use near flowering plants known to attract bees (bee Balm, black-eyed Susan, purple coneflower, etc.). The fiberboard nesting tubes should be replaced each Spring after Mason bees have emerged from their nests. Features Quality heavy duty Cedar house can add more valuable bee pollinators to your garden Package Dimensions: 23.4 H x 14.7 L x 20.2 W (centimetres) Package Weight: 1.274 kilograms Country of Origin : China USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.