I believe they have recovered honey from Egyptian tombs that was thousands of years old and still edible. From recollection the syrup is too viscous for bacteria to colonise.
Fun fact: If you collect mad honey (the term for honey contaminated by bees which have pollinated poisonous flowers), you can wait for the poison to expire.
Dry and sealed, it can last decades. Honey can last centuries but will usually expire after 1 year for legal reasons.
I believe they have recovered honey from Egyptian tombs that was thousands of years old and still edible. From recollection the syrup is too viscous for bacteria to colonise.
Fun fact: If you collect mad honey (the term for honey contaminated by bees which have pollinated poisonous flowers), you can wait for the poison to expire.