Buy spray paint formulated for use on plastic. Choose products that are suitable for use on plastic, PVC, vinyl and wicker.
Remove all loose dirt and debris with a brush, using soap, bleach and water if necessary. Ensure that the surface is completely dry before you begin painting.
Set up your work area in a well-ventilated area, preferably outdoors. The temperature of the work area should be between 50 and 85 degrees Fahrenheit with low humidity. Place a drop cloth on the ground and over nearby items, and wear old clothing and a paint mask.
Shake the can for two minutes to adequately mix the paint and test it in an inconspicuous area, such as the underside of a chair.
Spray the furniture in a sweeping motion and in 30-second intervals.
Apply several thin coats to avoid drips, runs and uneven coverage. Let it dry completely, following recommendations on the can, before putting the furniture to use.