James H. Schutte
Family
Acanthaceae
Botanical Name
Thunbergia alata
Plant Common Name
Black-Eyed Susan Vine
General Description
Black-eyed susan vine is a tropical perennial vine, which is often grown as a tender perennial in temperate climates. This fast-growing African native has distinctly fuzzy, arrowhead-shaped, medium green leaves with winged stems. It is everblooming and produces many tubular flowers in shades of yellow, orange, apricot or white with nearly black centers.
Plant this vine in a site with full to part sun and well-drained soil. Partial sun is preferred where summers are hot. Black-eyed susan vine may be invasive in tropical regions. Plant it in hanging baskets, containers or along fences and trellises.
Characteristics
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AHS Heat Zone
12 - 10
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USDA Hardiness Zone
11 - 15
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Sunset Zone
H1, H2, 23, 24
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Plant Type
Vine/Liana
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Sun Exposure
Full Sun, Partial Sun
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Height
5'-8' / 1.5m - 2.4m
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Bloom Time
Indeterminate
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Native To
Africa
Growing Conditions
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Soil pH
Acidic, Neutral, Alkaline
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Soil Drainage
Well Drained
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Soil type
Loam, Sand
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Growth Rate
Fast
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Habit
Vining/Climbing
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Seasonal Interest
Spring, Summer, Fall, Winter
Ornamental Features
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Flower Interest
Showy
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Flower Color
White, Yellow, Orange, Rose, Peach, Black
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Flower Color Modifier
Bicolor
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Foliage Color (Spring)
Green
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Foliage Color (Summer)
Green
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Foliage Color (Fall)
Green
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Foliage Color (Winter)
Green
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Fragrant Flowers
No
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Fragrant Fruit
No
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Fragrant Foliage
No
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Bark or Stem Fragrant
No
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Flower Petal Number
Single
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Repeat Bloomer
Yes
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Showy Fruit
No
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Edible Fruit
No
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Showy Foliage
No
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Foliage Texture
Medium
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Foliage Sheen
Matte
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Evergreen
Yes
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Showy Bark
No
Special Characteristics
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Usage
Container, Hanging Basket, Mixed Border, Tropical, Vine
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Sharp or Has Thorns
No
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Invasive
Sometimes
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Attracts
Butterflies
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Self-Sowing
Yes
