'Windii' (Bilbergia × windii, angel's tears) is a hybrid cultivar of the genus Billbergia in the Bromeliad family. It is an evergreen flowering perennial plant, epiphytic in habit, growing to 0.5 m (1 ft 8 in) with pink and green flowers appearing from bracts on stems to 50 cm (20 in). In temperate regions it is grown under glass. It has gained the Royal Horticultural Society's Award of Garden Merit.