In 2012, S. Yashina, S. Gubin, S. Maksimovich, A. Yashina, E. Gakhova, and D. Gilichinsky found some 32,000-year-old seeds and managed to grow a viable plant from them. These seeds were found covered in ice and buried 125 feet underground, deep in the Siberian permafrost.
Image credits: Lisi Niesner