Helianthemum 'Wisley Primrose'
Common name(s): sunrose
Description: evergreen shrub; thought to be a hybrid of H. apenninum and H. nummularium. Low-growing and spreading into a dense carpet of glossy, gray-green foliage. Profuse blooms of small (1 in.), custard yellow flowers in early summer and again in autumn. Considerably longer-lived in very lean soils with little to no supplemental irrigation.
Height: to 8 in. Spread: to 4 ft.
Position: full sun and lean, well-draining soil
Uses: ornamental-firescaping, landscaping
Winter Hardiness: to 0 F and below
Drought: adapted to 4 months of summer drought