Helianthemum nummularium ssp. grandiflorum

The Helianthemum nummularium ssp. grandiflorum (Large flowered rock rose) is perennial, belongs to the Cistaceae family and is a garden bed, stone garden plant. The flowers are yellow and the leaves green. The herbaceous perennial plant will be up to 30 cm (11.8 in) high. The soil conditions should be dry and the plant area sunny, half-shady.