It appears that user JerryPillow added the photo to the database.
I would try sending this person a Treemail and see if they know where it is available.
Here is a link to his (her?) profile page.
http://garden.org/users/profil...
Here is Lee Lee in the database..
Daylily (Hemerocallis 'Lee Lee')
Edited to add the link to Lee Lee in the database. ( Using my iPad, and can only copy and paste once or I lose my post)