Thunbergia alata also called as Black-eyed Susan vine is native to South Africa. Thunbergia, was named in 1780 by Retzius, after Carl Peter Thunberg (1743-1828), a Swedish botanist. It is a perennial climber. Different varieties and colors of Thunbergia are red, orange, red-orange, pale yellow, Lemon Yellow or bright yellow and White all with a black eye. Thunbergia gregorii is orange and doesn’t have a black eye white, Thunbergia battiscombei is blue and it doesn’t have a black eye-white, Thunbergia grandiflora is White and again it doesn’t have a black eye-white, Thunbergia erecta is purple and is bushy. Thunbergia alata grows easily with seeds. It needs moist but well drained soil. Should be grown in full Sun, but in hotter climates better to keep in shade in the afternoons. you may also like to keep it in partial shade in hot summer and in full sun during winter and monsoons.
Thunbergia alata or Black-eyed Susan vine is available in plant nurseries of Pune
Sun Exposure: Full Sun/ Partial Shade. In hot climates Partial Shade
Max Height: 10 feet
Propagation Methods: Seeds, From herbaceous stem cuttings, Simple Layering
Soil pH requirements: 6.0 to 7.8
Bloom Color : Red, Orange, Red-Orange, Pale Yellow, Lemon Yellow or bright Yellow
Category: Vines and Climbers
Flowering Season: Flowers throughout the year, mostly in spring and summer.
Invasive potential: Invasive Source: Invasive Plant Database and CABI
Pests and Diseases: Whiteflies neem oil and Spider Mites neem oil
USDA Hardiness Zone: 9a to 11
Uses: Hanging Baskets