Attracting mason bees to your yard and garden helps flowers, vegetables, and trees thrive, and could aid in combating issues caused by the decline of honey bees.
a colony that supports a queen, female mason bees take care of their own young. This makes this species less likely to experience colony collapse disorder.
By giving these insects a place to nest and the resources they'll need to thrive, you'll not only help the environment, but the bees will help your garden as well.