Hang the bee barrel in your garden & watch as the canes get filled up with ‘baby bees’ during the Summer months, then wait …. until next Spring to see the new adult bees emerge. Attracting solitary bees to the garden is not only safe but beneficial to the pollination of flowers, fruit and vegetables.;The hole sizes of this habitat are precisely specified to attract non-swarming, friendly bees like the Red Mason, Leafcutter and other solitary bees.Mounting height between ground level and 1.5m. 17 x 16 x 18cm.