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Product Details

REFILL for Mason Bees (includes 50-60 mason bee cocoons)

*Bee house is not included

Host mason bees for the spring season! For those who already have an outer bee house* in their yard, this insert includes everything you need to successfully host these gentle pollinators mailed straight to your home in early spring (varies by location). By renting mason bees, you will pollinate your garden, repopulate your neighborhood with native bees, and play a direct role in supporting food production. Mason bees are particularly helpful for pollination of fruit trees, berry bushes, and other spring blooming plants.

This package includes: 50-60 mason bee cocoons inside of an emergence tube and a mason bee nesting block. You will also receive instructions for how to release your bees, how to send the bees back, and a return shipping label. Don't already have a bee house? Rent our Mason Bee Kit. Want to rent leafcutter bees too? Reserve our Pollinator Package Insert.

Mason bees can be shipped to most of the 50 U.S. states. They cannot be rented in Hawaii, Alaska, Mississippi, Alabama, Georgia, Florida, and Louisiana due to weather conditions not being suitable for our bees. This kit cannot be mailed to P.O. Boxes. 

OUR SERVICE INCLUDES FALL CLEANING: At Rent Mason Bees we offer a way for people to be a part of their food source and help native solitary bee populations, but not have to worry about doing the fall cleaning which is critical when hosting mason bees. When you rent our bees, you keep your black house and send your nesting blocks back to us in September. We will then harvest and clean all your cocoons to remove harmful predators like pollen mites, Houdini fly larvae and chalkbrood. Then, we sterilize all your nesting blocks over fire and flame to burn any remaining predators. After they’re all cleaned and dried, we place them on a light table and pick out any non-viable bees. They are then placed in cool storage to safely hibernate over winter. The bees we send you will be healthy, strong and eager to pollinate your blooms. 

If you make your own bee house and want to use our nesting blocks: Here is the link to show you the dimensions of our nesting blocks to see if they'll fit in your bee house.


Bee Amazed

Mason bees
visit up to
flowers a day
400 Mason bees
do the work of
honey bees
One Mason bee
block can hold
bees per acre
to pollinate their