Comparing Iceberg varieties — notes from growing several
I've grown several varieties within the Iceberg family and have some observations to share. repeat-flowering over a long season varies noticeably between them, more than catalogue descriptions suggest. The care fundamentals are shared — deep watering at the base rather than overhead applies across all of them.
powdery mildew in humid summers affects some more than others, particularly in adverse conditions. I grow mine in a cottage garden mixed planting with lavender which works well for most varieties. first flush of blooms in late spring is the clearest moment of differentiation between varieties — that's when the character of each comes through. Worth growing a few side by side if you have the space.
Iceberg