Primula allionii and hybrids
It has to be seen to be believed, the number of flowers that cover these small rock plants. The flowers of Primula allionii and their numerous hybrids generally come in shades of pink. They delight the eye from February to April and are some of the earliest spring-flowering primroses. Originally from the limestone cliff faces of southern France and northern Italy they are very hardy plants that need well-drained, cool conditions. Some of the hybrids are easier to grow than the naturally occuring forms as they are more tolerant of different conditions. They have small rosettes of sticky leaves which are often hidden by the profusion of flowers in the spring.
Culture: Easier to grow if they can be protected from winter wet and are therefore often kept in a cold greenhouse or protected from overhead water in the garden by placing an sheet of plastic or glass over the plants (leaving it open for the air to circulate underneath.