On Sun, 07 Sep 2014 15:44:54 +0100, Janet wrote:

A clump of Black Prince (iirc) which has survived several winters in the
open garden, has produced fat seed pods for the first time.

Has anyone propagated cultivated, large-flowered glads from their own
garden seed? Any guesses how long from seed to flowering size corms?

Janet

From memory, plant one season, overwinter, they should flower next season.