Remarkable!

"Scientists in Russia have grown plants from fruit stored away in
permafrost by squirrels over 30,000 years ago.

The fruit was found in the banks of the Kolmya River in Siberia, a top
site for people looking for mammoth bones...

....Prior to this, the record lay with date palm seeds stored for 2,000
years at Masada in Israel..."

http://www.bbc.co.uk/news/science-environment-17100574

Doug.