Demeter Fresh Hay Perfume by Demeter, Enjoy a pleasant springtime scent with a nostalgic feel with demeter fresh hay, an aromatic green unisex fragrance. As part of demeterâÇÖs collection of single note scents, it delights the senses a solitary note of hay. This cut and dried grassâÇÖs familiar aroma offers sweet, earthy, warm and dry tones that evoke a rustic feel and memories of summer.