Gentiana septemfida (crested gentian or summer gentian) is a species of flowering plant in the family Gentianaceae, native to the Caucasus and Turkey. It is a low-growing herbaceous perennial growing to 15–20 cm (6–8 in) tall by 30 cm (12 in) wide, bearing up to eight bright blue trumpet-shaped blooms in summer, with striped interiors. It requires a rich, moist soil and full sun. The Latin specific epithet septemfida means "with seven divisions". In cultivation this plant and its variety G. septemfida var. lagodechiana have gained the Royal Horticultural Society's Award of Garden Merit.