Thanks so much, Debra, for your explanation! Good to know that "plants can actually go fully dormant and build a bigger crown" in the north where "there are more days below freezing." All of this info about micro-climates - be that in Florida, The Netherlands, the US north or elsewhere - at least makes growers appreciate how different circumstances affect the growth of daylilies . : )
All the best! : ) - Elizabete