Viability of seeds after dispersal:-

• In a few species, the seeds lose viability within a few months. Seeds of many species live for several years.
• Some seeds can remain alive for hundreds of years. The oldest is that of a lupine (Lupinus arcticus) excavated from Arctic tundra. The seed germinated and flowered after an estimated record of 10,000 years of dormancy.
• 2000-year-old viable seed is of the date palm (Phoenix dactylifera) discovered during the archeological excavation at King Herod’s palace near the Dead Sea.