Has anyone on this list grown water hyacinth in northern states? I am growing some in MI--it spreads well but has not flowered for me. -- Diana Pederson, Michigan, Zone 5 (4) http://www.geocities.com/~dlpederson/index.html http://www.geocities.com/RainForest/2822/index.html http://www.geocities.com/RainForest/9251/ENABLED/index.html http://www.suite101.com/topics/page.cfm/262