Orla Kiely Floral Diffusers. Available in three floral scents to fragrance your home beautifully. Choose Primrose and Bergamot for a fresh spring scent, Geranium and Myrrh for a rich and aromatic scent and Bluebell and Rosemary for a sweet and soothing scent. After uncorking, insert the reed sticks into the bottle. Leave for 24 - 36 hours to allow the scent to diffuse into the room.For a stronger scent, turn sticks around every two to three weeks.