Spray paint can work wonders for a variety of items - even cheap plastic pots can benefit! Choose a finish that you like, clean the item well, and follow the manufacturer's instructions for applying the finish you've chosen.
Consider purchasing covers for your outdoor furniture or outdoor wall art features, and it'll last longer. Store cushions in a dry, protected area during inclement weather and over the winter.
Metal patio furniture is a easy to refinish. Be sure to sand it before applying a new finish, since old, chipped paint can prevent your new finish from staying put.
Wood items such as planters, furniture and outdoor painted birdhouses should be treated to an appropriate piate sealant periodically. There are many options available, so it's a good idea to conduct a little research and decide how you'd like to proceed. for example the cottage birdhouse may be different to the decorated bidhouses.