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Rose oil, lavender oil, honeysuckle oil, and lemon oil are all good choices for potpourri. The essential oil is what will make your potpourri smell good, so be generous with your drops. Display your potpourri in an open container so that the smell can permeate the air. Add decorative stones for some added bling or some cloves for a spicy kick. Replace your potpourri when you can't smell the essential oils anymore. Potpourri generally smells good for about 2 months.
Add 5 to 6 drops of essential oil to your dried flowers. Arrange your potpourri in an open jar or a shallow bowl.