Hellebore Winter Jewels&trade; Rose Quartz The only double hellebore with a picotee edge. Every white to cream petal is edged in glowing rose. The Winter Jewels series was developed by Marietta O'Byrne, whom many consider to be the best Hellebore hybridizer in the world. Painstakingly and lovingly hand-pollinated, the Winter Jewels series get a little better every year! The Winter Jewels are vigorous, very large-flowering, and disease resistant. All Hellebores are deer-resistant, and shade and drought tolerant once established. These plants have big roots which translate into more foliage and flowers in your garden this year.