In the winter, the anemone, asphodel, brassica, honeysuckle, crocus, and rock rose bloom. Labdanum exudes from the rock rose bush naturally without any incisions being made. Halimium ocymoides, the basil-leaved rock rose, syn. The marine sedimentary rock rose over the years to an elevation of above sea level. There is also Rock Rose, Wild Thyme, and Clustered Bellflower. Wild flowers include rock rose, salad burnet and common spotted orchid. Rock rose usually produces labdanum annually, during the summer, to protect itself from the heat.