Yep Connie. The names are interchangeable like NY say Soda, and Pa call it Pop same thing.
The ones I get at the nursery are 12 x 24.
@springcolor, it is a lot and it is worth the price depending on circumstances. New to plant people, the Instructors they hire are top in their field, the quality plants they provide, and the one I went to it was a lot of seniors that liked getting out with their friends,
I see the reason for the cost but I am cheap and know I could do any of the Seminars they have offered.