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Tower and Mason Bee Wood Tray Set


Availability: In stock

Short Description

Our largest house and hole set, the Tower House and 96-hole wood tray is designed for the serious spring mason bee raiser or for the gardener with a larger yard. House is made from Northwest red cedar and features an attic area for protection and release of bee cocoons.

Bees and accessories are not included.



This is a great house for the serious mason bee raiser. 

The Tower house comes complete with the 96-hole mason bee wood tray.

The wood trays are the easiest way for you to manage your bees during fall harvest.  They help reduce potential pest build up and are what the commercial pollinators use to raise bees.

Mason bee house:

  • Made of beautiful northwest cedar
  • Large overhang helps keep your straws/trays/reeds and bees dry
  • Perfectly sized for the full stack of nesting trays or 150 mason bee tubes or reeds
  • Bee cocoon release box (make your own) can sit in the open attic
  • Size:  13" H x 10" W x 9" Deep

Mason bee nesting trays:

  • 13 alder wood trays designed to stack upon each other, creating 96 total holes.
  • The nesting trays are re-usable which controls year-to-year costs.
  • Each tray has side notches that lock into neighboring trays that retain alignment, and help block pests from entering on the side.
  • The front of the wood trays have a varied depth and have been lightly burnished to create a unique pattern that helps the mason bee orient on its hole.
  • Stack size:  6 1/4" H x 5 1/2" W x 6 1/4" Deep

All you need are a few mason bees to get pollinating!

Additional Information

Additional Information


The Tower Mason Bee House Kit can either be hung or sat on any flat surface preferably facing the early morning sun. It can be easily mounted to wall or secure structure using a nail or screw and then insert into keyhole in back of Tower .  Suggested heigth to hang your Tower  House Kit would be between 5-7 feet above the ground to get your house away from pests.  Locate the Tower Kit within 100 - 300 ft. of  their potential pollen source.  Mud availability for your bees near the house will be essential for successful bee raising.  Crown highly recommends that you dig a hole in the ground near where you set up your house so the females bees can successfully find mud.  


Spring Use
  1. Put the Tower Mason Bee House Kit out in Mid-March or early April when daytime temperatures are approximately 50-55ºF or higher and pollen sources (trees/shrubs/flowers) are beginning to bloom.  Emerging bees looking for a place to call "home" will also be hungry critters.
  2. Trays will originally arrive with plastic bands around them to hold trays together and are to be left in place during first season use.  Cinch straps attached to Trays may be removed and stored for future use. Note:  Cardboard on back of trays is for closing off the back side of holes and should not be removed.  This will help to keep pests from gaining access to nesting females and their eggs.
  3. The wood trays need to be located in a dry location so that rain will not soak the wood and/or cardboard backing.  The cardboard backing is vital in pest control for your bees.                                                                                         
  4. When spring mason bee activity has ceased, (early to mid-June), remove tray from bee house and store in a garage or well ventilated shed (see below).


Summer Storage

Store the nesting trays with cardboard backing on bottom, holes facintg up.  We recommend storing the tray in a BeeGuardian bag or other sack or container that will allow air to circulate and will help to keep pests out.  Typical summer temperatures will help developing larvae to mature into fully formed adult bees.


Fall Harvesting and Cleaning & Storage of Tray

  1. Remove bands setting cardboard backing to side.  Separate trays one at a time, removing cocoons as you go. Some cocoons will stick to the upper tray...!
  2. Carefully scrape cocoons from wood channels to avoid crushing them. The shaft of a flat head screwdriver works well to gently push cocoons from the channels. Separate the cocoons from other materials such as pollen and mud. 
  3. Clean blocks with a scrub brush and restack them.
  4. Re-strap the trays using the green elastic bands, being sure to get cardboard flaps cinched under rear strap.  
  5. Store trays in garage or shed for use next spring.
  6. Refrigerate your harvested cocoons at 34-37° degrees until next spring and put them out with the nesting trays.  If stored in a modern frost-free refrigerator, keep your cocoons in a HumidiBee (mason bee humidity chamber) or the crisper drawer, making sure that they are kept slightly moist.

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