Fragrance oil with the scent of lemon.
Create your own potpourri:
dry the petals of roses until they are crackling dry.
Drizzle the leaves with the fragrance oil.
The leaves with the fragrance oil packing up in silver foil.
Let these soak in for 24 hours.
Place the leaves in a bowl or pot for potpourri. so that they can spread this delicious scent.