Cleaning a Mason Bee house

Keep parasite numbers low and prevent the spread of disease within the colony by cleaning your mason bee house and discarding suspicious cocoons.

Mason Bee HouseCover your work area with newspaper to collect debris like mud and bee poop. Remove all plastic or wood trays from the house. Carefully pry cocoons off and set them aside—inside are fully developed bees in hibernation. Soak trays in soapy water, scrub them with a brush, and rinse thoroughly. Soak again in a five per cent eco-friendly oxygen bleach solution to kill bacteria and fungi. Rinse well and let dry.