"If not planted, over time their viability decreases due to aging, exposure to light, temperature changes, and moisture content," says Carrie Spoonemore, co-creator of Park Seed's From Seed to Spoon.

Some came from seeds that survived the atomic bombing of Hiroshima in 1945. The park was home to wildlife including marsupials, gray foxes and countless birds. Weeks ago on one of the garden ...

Some came from seeds that survived the atomic bombing of Hiroshima in 1945. The park was home to wildlife including marsupials, gray foxes and countless birds. Weeks ago on one of the garden slopes, ...