Alberto, What would cause a dead crocus embryo ? Is it a defect during seed production or some subsequent event that has caused the embryo to die. Is it in my hand s or the hands of the Maker ? J. Dr John T Lonsdale 407 Edgewood Drive, Exton, Pennsylvania 19341, USA Phone: 610 594 9232 Fax: 801 327 1266 Visit "Edgewood" - The Lonsdale Garden at http://www.johnlonsdale.net/ Zone 6b