Plumbago indica, the Indian leadwort, scarlet leadwort or whorled plantain, is a species of flowering plant in the family Plumbaginaceae, native to Southeast Asia, Indonesia, the Philippines, and Yunnan in southern China. Growing to 2 m tall by 1 m wide, it is a spreading evergreen shrub with oval leaves. It produces racemes of deep pink or scarlet flowers in winter. Plumbago indica is cultivated as an ornamental plant. With a minimum temperature of 7 C, it prefers subtropical or warm-temperate climates, or a greenhouse in cool climates. It has gained the Royal Horticultural Society's Award of Garden Merit.