Heather, (Calluna vulgaris), also called Scotch heather or ling, low evergreen shrub of the heath family (Ericaceae), widespread in western Europe and Asia, North America, and Greenland. Scotch heather has purple stems, shoots with small close leaves, and feathery spikes of pink bell-shaped flowers.
After being established, heather is picky about water requirements, needing about an inch (2.5 cm.) per week, including rainfall and supplemental irrigation. Too much water can cause roots to rot, but the soil should remain consistently moist. The heather flower is tolerant of sea spray and resistant to deer.