Some might have an interest in this article in the March issue of Greenhouse Product News. The article is titled “A New Height Control Possibility for Daffodils and Hyacinths”. A hot link to the URL for the article is: http://www.gpnmag.com/new-height-control-possibility-daffodils-and-hyacinths
American Daffodil Society, Bulb Information, Displays & Specialty Exhibits, General, Growing Daffodils, Pots, Publications and Resources, Science
Or, you could go to http://www.dafflibrary.org, click on Diseases and Pests and scroll down to the very bottom of the page and click on “Pickling Paperwhites.” You wouldn’t have to worry about the disposal of chemicals–you could just drink the gin. :-)