The Original Jake wrote:
I pulled up 3 bulbs this weekend - 1 from Benjamin's plot, which is
about the size it went in, and 2 from the blueberry "really lovely
soil" patch, which are 3 times the size, and have a whole crop of
bulblets hanging off them!!
I always lift dahlias as they're fairly close to the surface but my
gladioli were planted years ago about 6 inches deep and I've never
lifted them. If deep they stand up better and are below the frost
penetration level.

Cheers. That's pretty much what my neighbour just said. Oh well.
I may go replant these a bit deeper. in with the blueberries. :-)