Hmm...

The thistle is the emblem of Scotland as a barefoot viking raider cried out in pain as he stood on one, alerting the Scottish army encampment that the Norse army were sneaking up on.

The Doomsday Seed Vault on Svalbard has over 21,500 cannabis seeds in it. That means that there are more seeds in there for weed than there are for aspargus, blueberry and raspberry, for example.