Plants in genus thunbergia
Thunbergia alata
Thunbergia alata, commonly known as Black-eyed Susan vine, is a climbing perennial native to Eastern Africa. It features twining stems with heart-shaped leaves and vibrant orange-yellow flowers with a dark center. This fast-growing vine blooms throughout the growing season and is easy to germinate in humus-rich soil. While it adds a splash of color to gardens, it is considered invasive in some regions.
Thunbergia grandiflora
Thunbergia grandiflora, commonly known as Blue Skyvine, is an evergreen vine with large trumpet-shaped blue flowers. It is native to Asia and grows rapidly, flowering from spring to fall in sun to partial shade.
Thunbergia erecta
Thunbergia erecta is an evergreen shrub native to West Africa, known for its vibrant blue to purple flowers with cream throats. It can grow up to 15 to 20 feet, either climbing or twining, and is adaptable to various soil types and moisture levels. This plant is drought-resistant and can be used for hedges due to its ability to withstand regular clipping. It thrives in sun to partial shade and is cultivated worldwide for ornamental purposes.