Photo of a black Primula

Leaf tip: Blunt/obtuse. Flower type: Single. Winter hardness: Good (USDA-zone 5, 6). Flower color: Black-black-203B; Yellow-medium yellow-006B. Soil fertility: Not very demanding. Plant height: 10 - 20 cm. Inflorescence: Umbel(-like). Flowering month(s): January; February; March...