Grow this plant for its foliage – substantial elliptic gems of deep green with a bluish cast. The underside of the leaf is covered with a tawny indumentum that appears to be plastered in place. The flowers will vary – pale lilac to white.
This species comes from the southern Himalayas – Bhutan and Sikkim where it grows near the tree-line on rocky moorland.
R. campanulatum will make roughly a three-foot bush in ten years. This form has been named “Blue Ox” because the bluish cast of its foliage is especially intense.
R. campanulatum will appreciate: A bright location with protection from strong sun, Small amounts of fertilizer on Valentine’s Day and Mother’s Day, gentle watering that keeps it moist, good drainage with well-aerated soil
R. campanulatum evokes the feel of the lush vegetation characteristic of the Himalayas and adds an exotic touch to your garden.