Not yet, but it's in a pot under glass given a strictly mediterranean regime here in UK, including completely dry summer baking. I may not even try it in Greece though, as given its tiny green flowers it's one of those plants that people politely say is "interesting" rather than beautiful....
To answer John, I haven't seen any reference to a hybrid, and its pollen grains are said to be structurally different from those of all other freesias (one-banded operculum as opposed to two, or vice versa, I can't remember which!), which might pose an obstacle to trying to cross it.