Photo by Melody

PlantFiles: Black-Eyed Susan Vine
Thunbergia alata 'African Sunset'

Family: Acanthaceae (ah-kanth-AY-see-ee) (Info)
Genus: Thunbergia (thun-BER-jee-uh) (Info)
Species: alata (a-LAY-tuh) (Info)
Cultivar: African Sunset
Additional cultivar information: (aka Blushing Susie)

One vendor has this plant for sale.

13 members have or want this plant for trade.

Vines and Climbers

6-8 ft. (1.8-2.4 m)

24-36 in. (60-90 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade


Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater
This plant is suitable for growing indoors

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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There are a total of 16 photos.
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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive jimtomczak On Dec 26, 2014, jimtomczak from Mobile, AL (Zone 8b) wrote:

Thunbergia alata is one well behaved little vine I can't remember not having a dozen or more snaking throughout the weed patch & another dozen climbing a wooden fence. This year for some reason there was no need to plant a single seed as the Thunbergia alata took over everywhere even the tallest banana,when the Lilly patch finished its display I let the vine have a go (lilly stalks after blooming ,well they are not attractiive) problem solved. today's Christmas day!! Where there is protection there are Thunbergia giving a last push! An attraciive easily controled versatile cloak Or a wicked Hot Mess. 4 stars from me. Mobile Al.

Positive poisondartfrog On Sep 25, 2010, poisondartfrog from Barbourville, KY (Zone 7a) wrote:

Many shades of salmon, vigorous.
Benefits from a bit of afternoon shade.

Positive Xeramtheum On Feb 6, 2006, Xeramtheum from Summerville, SC (Zone 8a) wrote:

This plant is suppose to be an annual in Zone 8, but mine are coming back up for the second year in a row!


This plant has been said to grow in the following regions:

Mobile, Alabama
Bellflower, California
Citrus Heights, California
Elk Grove, California
Los Angeles, California
San Francisco, California
Deland, Florida
Port Saint Joe, Florida
Tampa, Florida
Lula, Georgia
Divernon, Illinois
Olathe, Kansas
Denville, New Jersey
Elizabeth City, North Carolina
Dayton, Ohio
Summerville, South Carolina
Salt Lake City, Utah
Leesburg, Virginia

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