PURPOSE: To make it possible to preserve seeds for a long period at normal temperature without requiring a special preservation condition and to transport the reserved seed simply, by storing the seeds and medium in a container, subjecting them to freeze vacuum drying and sealing them.

CONSTITUTION: Seeds of carnation, sunflower, spinach, etc., are directly used or coated with a polyhydric alcohol such as glycerol, sorbitol, etc., and further made in a protected state. The seeds and a medium such as agar, etc., are stored in a container made of glass, transparent plastic, etc., subjected to freeze vacuum drying, sealed and the seeds are kept in a dry state required for preservation and preserved.

EFFECT: Germinatin and growth of seeds are carried out only by adding water to a medium and the use of the seeds after preservation becomes convenient.