This hanging bird feeder for hummingbirds is just perfect for hanging over a planter box, creating an attractive environment sure to please the tiny gentle creatures. The Perky-Pet planter box hummingbird feeder with hanging rod features a bee guard, one feeding port and a 3 oz. nectar capacity. It comes with a hanging rod which allows for placement over a planter box. For best results, use Perky-Pet instant nectar. This specially blended nectar is easy to use, and requires no boiling. The feeder may be cleaned with the Perky-Pet cleaning mop. Remember to clean your hanging bird feeder at least twice a week, more often in very warm climates or seasons.