How To Clean Silk Plants Directions We recommend watching the video below.1. Take silk plants outdoors. Do not use indoors, over cement asphalt, paint, furniture or carpet without a tarp.2. Shake bottle well and make sure the nozzle is adjusted to the WIDEST SPRAY.3. Spray over silk plants thoroughly. Let dry for about 20 minutes.ATTENTION: Use only as directed. KEEP OUT OF REACH OF CHILDREN.