Northern Ireland has a long line of world-renowned daffodil growers and Nial Watson is one. Here's a video that daffodil fans will swoon over.
Watson gives a simple, clear explanation of the sometimes confusing daffodil divisions.
To browse Watson's daffodils, go to the online catalog of Ringhaddy at http://www.ringhaddy-daffodils.com/acatalog/2013.html
At this time of year, I swoon over all daffodils and plant another 100 or 200. Each spring I attest to having plenty and needing no more. You, too?