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Osmia lignaria propinqua.

Host nature’s hardest-working partners in your garden. Mason bees are solitary, non-stinging pollinators that can boost fruit and flower yields dramatically. Mason Bees peaceful and efficient pollinators focused entirely on gathering pollen and helping your plants flourish.

Each cocoon contains a ready-to-hatch mason bee waiting for spring’s warmth. Simply place the cocoons near a clean bee house or nesting tubes, and let nature do the rest. As they emerge, these native bees will begin their quiet work.

10 dormant cocoons come in a small cardboard container. At the time of year that the cocoons are shipped, they will remain dormant. Store the container in a safe spot in the refrigerator once you receive them. Clean nesting tubes and prepare the nesting site over the winter.

In early spring, about a week before crops begin to bloom, place the box of cocoons on or near the nesting area.

As the sun warms the nest, the mason bees will begin to emerge. Emergence can take hours or several days. Males will emerge first, then the females.

Download our Mason Bee Care Sheet.

Cocoons will arrive in a package that measures 10cm wide x 8cm tall x 10cm long.

Note: There are 10 cocoons per box.

Contact us if you have any questions at 1-888-804-8820.

Volume Discount on Mason Bee Cocoons

3 or more sets of 10 receive 10% off
12 or more sets of 10 receive 15% off

Due to the seasonal sensitivity of live Mason Bees and rising temperatures, all orders are now shipped via mandatory Xpress shipping to ensure they arrive safely before hatching. For any questions, please contact our team.

Due to provincial import regulations, Mason Bee Cocoons can not ship to Newfoundland and Labrador.

Seasonal item shipping: Items shipped at specific times of the year such as garlic, potatoes, onion sets, asparagus crowns, mason bee cocoons, nematodes and flower bulbs require special handling. They will be shipped separately as a new order with the applicable regional shipping charges applies. Whenever possible, we will combine you orders to minimize shipping charges.

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