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If you prefer, you can also use cinnamon or clove oil.  The scented cones are ready to decorate your house or to give as gifts. Alternatively, put pine cones in a plastic bag with several drops of cinnamon or clove oil or Christmas essential oil. Seal the pine cones in the bag for 2 to 7 days, after which the cones will be ready.

Summary:
Mix Christmas blend essential oil in a spray bottle with some water. Spray the pine cones with the scented water and seal the cones in a plastic bag. Remove the pine cones after 24 hours. Finished.