Hellebore 
Flora Frost Helleborus niger 'Wintersun'
| Flower type | Single |
| Leaf margin | Serrate |
| Winter hardness | Good (USDA-zone 5, 6) |
| Flower color | White-white-NN155D |
| Flower diameter | 7,5 - 8 cm |
| Plant height | 20 - 30 cm |
| Flowering month(s) | November; December |
| Leaf size | 5 - 7,5 cm |
| soil pH requirement | Neutral (pH 6,5 - 7,5); Slightly acidic (pH 4,5 - 6,5); Alkaline (pH > 7,5) |
| Light conditions | Semi-shades |
| Leaf division | Diversely compound |
| Leaf, main color | Dark green |
| Moisture requirements | Well-drained; Moist |
| Soil type | Humus rich |
The Helleborus niger 'Wintersun', commonly known as the Christmas Rose, is a beautiful flower that brings joy to the winter garden. This flower features single petals and serrated leaf margins, giving it an elegant and delicate appearance.
One of the standout features of the Helleborus niger 'Wintersun' is its exceptional winter hardiness. This plant is able to thrive in USDA-zone 5 and 6, making it suitable for colder climates. It can withstand freezing temperatures and still produce stunning blooms during the winter months.
Speaking of blooms, the Christmas Rose showcases white flowers with a hint of color described as white-white-NN155D. The flower diameter reaches an impressive 7.5 to 8 cm, making it a noticeable addition to any garden. The flowers bloom in November and December, adding a touch of beauty and vibrancy to the winter landscape.
The Helleborus niger 'Wintersun' grows to a height of 20 to 30 cm, making it ideal for borders, containers or as a ground cover. Its evergreen leaves add to its appeal, with a diverse compound leaf division that creates an interesting texture. The main color of the leaves is a deep, rich green, providing a nice contrast to the white flowers.
When it comes to soil, the Christmas Rose prefers a pH that ranges from neutral to slightly acidic or even alkaline. This makes it adaptable to various soil conditions, as long as they are well-drained and not overly wet. It is important to provide the Helleborus niger 'Wintersun' with a humus-rich soil to ensure optimum growth and health.
In terms of light requirements, this plant thrives in semi-shaded areas. It appreciates some protection from direct sunlight, especially during the hottest parts of the day. By placing it in a location with partial shade, you can ensure that the Helleborus niger 'Wintersun' receives the right amount of light for its growth and development.
Moisture is another important factor for this plant's success. It prefers well-drained soil that retains some moisture, but does not become waterlogged. Regular watering during dry periods is necessary, especially during the summer months. However, it is important to avoid overwatering, as this can lead to rot or other issues.
In conclusion, the Helleborus niger 'Wintersun' is a captivating flower that brings beauty and life to the winter garden. Its single white blooms and serrated leaves create a striking contrast, while its winter hardiness ensures its survival in colder climates. Whether planted in borders or containers, this Christmas Rose is sure to delight any gardener with its elegant charm.
Market availability index by month:
| Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. |
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| 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 4 | 3 |