Christmas Rose Plant Get festive with our roses! A gift that will last for years, our traditional Christmas Rose Plant (Helleborus) boasts snowy white flowers with deep green leaves (note: the main image shows the cut flowers as part of a winter arrangement). A truly beautiful way to celebrate the festive season, have a white Christmas this year. It can be planted outside in spring and will brighten up your garden January-February in years to come. 30cm high. Pot size 13cm.