Clock Vines are native to India. The large blue flowers of the Bengal Clock Vine Thunbergia grandiflora are a beautiful sight . The vine gets its name from the fact that it always curls itself clockwise around a support. The Bengal Clock Vine becomes very heavy after some years. It can be pruned to the desired size. Once established, it does not need any care except occasional watering.
The Black- Eyed -Susan Thunbergia alata is a moderately sized vine. the bright yellow flowers with their black centres make the plant very attractive. It is self seeding , and sometimes becomes invasive.
The Mysore Clock Vine, Thunbergia mysorensis flowers profusely all through the year. Its flowers hang like chandeliers from the support, making it one of the most attractive flowering creepers. It also needs a strong support as it becomes quite heavy over the years.Thunbergia erecta is a shrub with blue flowers , while Thunbergia fragrans is a vine with white flowers.
