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Products > Thunbergia alata 'Lemon Star' PP14,371
 
Thunbergia alata 'Lemon Star' PP14,371 - Yellow Black-Eyed Susan Vine
  

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Habit and Cultural Information
Category: Vine
Family: Acanthaceae (Acanthus¹)
Origin: Africa, Central (Africa)
Evergreen: Yes
Flower Color: Yellow
Bloomtime: Year-round
Height: Climbing (Vine)
Width: Spreading
Exposure: Sun or Shade
Irrigation (H2O Info): Medium Water Needs
Winter Hardiness: 25-30° F
Thunbergia alata 'Lemon Star' PP14,371 (Yellow Black-Eyed Susan Vine) - An attractive and cheerful evergreen vine that sprawls along the ground and clambers up on anything that will support it. The twining stems will reach 6-8 feet and are covered with triangular-shaped leaves that have winged petioles and nearly year-round, but strongest from summer through fall, yellow tubular flowers that have dark purple, almost black throats. This plant is often treated as an annual in areas where it is killed by temperatures much below 28° F but in near frost-free zones it can be a perennial. This plant was severely damaged except where protected under eaves at 28° F in our January 2013 freeze. Plant in sun or part shade and water regularly. Thunbergia alata comes from South Africa, and though similar to its tropical African relative, the Orange Clock Vine (Thunbergia gregorii), this plant is easily disguisable by the dark-centered eye of the flower and the winged petioles. The name for the genus honors the Swedish naturalist Carl Peter Thunberg (1743-1828) who was a student of Linnaeus and spent several years botanizing the Cape of Good Hope. The specific epithet is the Latin word 'alatus' meaning "winged" in reference to the flattened wing like growth on the leaf petioles. This plant was discovered in 1999 by Michael Unger at Rheinfelden, Germany. It is being marketed by BallFlora Plant and is sometimes listed as 'Sunny Lemon Star'. It was issued US Plant Patent 14,371 on December 16, 2003.  This description is based on our research and our observations of this plant growing in containers at our nursery, in our own garden and in other gardens. We always appreciate receiving feedback of any kind from those who have any additional information about this plant, particularly if they disagree with what we have written or have additional cultural tips that would aid others growing Thunbergia alata 'Lemon Star' PP14,371 .
 
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