Spotted (and admired) at Suppenküche restaurant in San Francisco: small bunches of wheat suspended by a wire that stretches across the ceiling.
Above: Photo via Yayayanonono.
Above: Use 500 feet of Vinyl Coated Stainless Steel Picture Wire for $24.99 from Amazon and one Large Fall Wheat Bundle for $14.98 (separated into smaller bunches) from Dried Decor.