Hans Hansen of Minnesota registered this sport
of H. 'Squash Casserole' in 2003. Its large size mound of heavily
rippled foliage reaches 23 inches high and 60 inches wide. The
flowers are medium purple and bloom in July.
The Hostapedia by Mark Zilis (2009), "...the name 'Key Lime Pie' was
used for other hostas, including one from
Pauline Banyai of Michigan."
The New Encyclopedia of Hostas by
Grenfell (2009) states: "Fast growing. Divide regularly...Differs from its
parent in having yellow-margined leaves."
Similar hostas include H. 'American
Icon' and H. 'Jujen'.