Sulphur Queen
Jim McKenney (Sun, 04 Jul 2010 11:19:48 PDT)

David, I think the ismene in your photo is not 'Sulfur Queen'.

Note that the flowers of your plants seem to have five divisions. I think
this is an old clone of Ismene narcissiflora which was widely distributed in
the trade in the past.

Here's what I grow as 'Sulfur Queen':

http://jimmckenney.com/peruvian_daffodil.htm

Try it, I bet you'll like it.

Jim McKenney