Here is a shorter lily I bought called 'Twosome' also potted up inside in Feb.
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I think the shortness has more to do with being potted in February than with the cultivar. I planted it in my garden last spring and was about 2.5 feet. This year it's over 3 feet already and not even close to blooming yet. I expect it to be close to 4 feet by the time it's done. The Lily Nook had it listed as 3 feet.
Addition 28/06 Twosome has passed the 4' mark and well on it's way to 5'.