Using this wall planter and bird feeder is easy. For the planter, simply fill the bowl with soil and plant your favorite flowers or herbs. Place it in a spot that gets enough sunlight. When using it as a bird feeder, fill the bowl with birdseed. Make sure to hang it securely on the wall using the provided bracket. As for maintenance, clean the bowl regularly to prevent dirt and debris buildup. You can use a mild soap and water solution. Check the bracket periodically to ensure it's still firmly attached to the wall. In case of bad weather, it's a good idea to bring it indoors to protect it from damage.