Blue orchard mason bees are becoming an increasingly popular pollinator for backyard gardens and commercial orchards. These insects are wonderful pollinators of apple, cherry, pear, nectarine, and Asian pear, and they gather pollen from anything in bloom between March through early June. When raising mason bees, its important to ensure you have a healthy colony. Natural reeds are perfect for mason bees to use. Reeds have a natural variety of hole sizes that allow each nesting bee to choose the one that is right for her. The reeds are easily opened during fall harvest time to watch the health of your growing colony. These hand-cut lake bed reeds are optimal for spring mason bees and are 6 long to fit within most mason bee cans or homes. Contains 40 reeds and instructions to ensure success in housing mason bees. (Mason bees sold separately.)