Name: Marilyn, aka "Poly" South San Francisco Bay Area (Zone 9b) "The mountains are calling..."
Never grew 'Trahylta' here. The coloration is interesting on the seedling, though if I were going to cross it, I would find something where the sepals recurve a bit.... that one sticking straight up at 12 o'clock looks .
Evaluating an iris seedling, hopefully for rebloom