The common bluebell flowers in April and May. The flowers are lavender-blue, pendulous, tubular with the petals recurved only at the end, and borne on one side of the flowering stem only. The flower stem is 10–30 cm long and bends over at the top. The anthers are yellowish-white or cream and are attached more than halfway up on the inside the tube. The flowers are pleasantly and usually strongly scented.
The leaves are basal and linear