Tuber: I'm in the land of freeze your budinski off. I start potting up my tubers in 1 gal pots and set in front of my patio door (cool but sunlight). They all send up their first shoots at different times and even different times each year. Once I move them under the lights they really get going and by the time my nighttime temps stay above freezing I've moved mine into my covered shelf greenhouse and plant out and in the ground around Mother's Day to Memorial Day. I don't know if that helps you, but on a good day by the time I'm planting in the ground my plants are generally 8-14" tall, I pinch though, so that slows things here. My first blooms are July 4, but only on those marked early or mid bloomers, my late ones bloom of course the few days before frost because they can