In article ,
"Cereoid-UR12" wrote:

You don't cut them back. You let them die back naturally. Next years flowers
depend upon the energy produced by the leaves and stored in the bulbs this
year. If the foliage becomes untidy, you can tie it up but don't remove it.
The bulbs will adjust themselves to the proper depth all by themselves.



Cool... thanks for the advice. I'll get some twine and tie 'em up,
because they look awful right now.