West Midlands,
United Kingdom 
what do you do when your lilies have flowered
11 Aug, 2010
Answers
Keep them watered and fed (a dose or two of tomato food) until the leaves naturally turn yellow and brown. That fattens up the bulb for next years bloom.
11 Aug, 2010
Break off the seedpod, than allow them to die back naturally.
11 Aug, 2010