Things You Will Need
If you prefer natural-looking wicker to painted wicker you need to apply a coat of waterproof polyurethane, which will protect your outdoor furniture as effectively as paint.
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Vacuum the wicker thoroughly to remove any dirt between the woven wicker strands.
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Put on the rubber gloves and pour 1 tsp. dish soap, 1/4 cup bleach and warm water into a bucket. Fill the bucket until it is almost full.
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Scrub the wicker gently with a scrub brush and soapy water. Rinse the furniture until the water runs clear. Wipe the wicker with a soft cloth, then allow it to air-dry.
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If the wicker has deep pits, or if the old finish is peeling, gently sand the surface until it is smooth. Wipe the dusty residue off with a soft damp cloth and let it dry completely, or vacuum the surface of the wicker again.
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Open the can of polyurethane and stir to make sure it is completely blended.
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Dip a paintbrush into the polyurethane and apply a generous coat to the wicker. Make sure to get the polyurethane deep into the ridges between the wicker cane strands. Let the polyurethane dry completely and then add a second coat.