Badly behaved cut flowers
I have a shrub of Ribes sanguineum. Twice in three years I have cut a few stems to bring indoors. Each time I cut the stems before they broke bud. I set them in a vase of water in a bright cool room. Both times, the buds have opened to reveal white flowers. The shrub is an old one, possibly forty years old or more and its flowers are standard pink. I have no complaints as the white cut flowers are lovely but does anyone have any ideas as to how this change came about?