On Fri, 04 Jul 2003 00:55:00 GMT, "Emmet Cummings"
wrote:

I have over a dozen heads of Iceberg Lettuce with about half having formed a
head. Now that
temperatures seemed to have settled in the eighties and sometimes nineties
here in NYC should I
start harvesting? I read that sometimes the lettuce can get bitter?


It will 'bolt' in hot weather, and get bitter. Some
varieties can withstand hot weather better than others.

Yes, if it were my lettuce, I'd start harvesting it now.

Pat