Bulbs surviving from year to year without being planted, was: Re: pbs Digest, Vol 124, Issue 1
Jim McKenney (Wed, 01 May 2013 10:44:56 PDT)

Frank Car wrote of Scadoxus multiflorus "Interestingly, a couple years ago... I forgot to bring them out that year. I thought they would be dead for sure but I was wrong! 
Completely dry for over a whole year but when watered they soon took off and 
flowered like nothing had happened! Simply amazing."

I had exactly the same experience last year with some Hymenocallis 'Sulfur Queen' dug in the fall of 2010: that they were still  alive in 2012 was amazement enough, but that they popped into bloom a few weeks after being planted was unbelievable. 

Jim McKenney