White Lake, ON (Zone 4b) | November 2006 | neutral
H. 'Undulata' is unstable in the long run and it takes many years, but it will gradually turn to all green if left long enough. W. George...Read More Schmid indicated that if it is 50% or more white (by area) it's considered H. 'Undulata'. If it's less than 50% white (with a white stripe) it's H. 'Undulata Univittata', and when it turns all-green it's called H. 'Undulata Erromena'.
Needs regular division to prevent the stronger, green portion of the margin from taking over.
Second flush of leaves is mottled and speckled green in the center.
H. 'Undulata' is unstable in the long run and it takes many years, but it will gradually turn to all green if left long enough. W. George...Read More