Thunbergia alata 'Lemon Star'

Sunny™ Lemon Star black-eyed Susan vine

Sunny™ Lemon Star black-eyed Susan vine ('Lemon Star'), photo courtesy of Ball Seed; Propagation is prohibited.

Lemon-yellow flowers with dark centers decorate a vigorous climbing vine. Train it over a small trellis or let stems spill from a large basket. Regular watering and feeding support a long warm-season flower display.

At a glance

Sun: Full sun
Mature size: 5–8 ft. with support tall × 16–24 in. wide
Water: Moderate
Bloom: Lemon-yellow; late spring through fall

Sizes & prices

4.5"Black Eyed Susan Vine$11.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Wet soil: Needs good drainage; avoid standing water.
Heat: Tolerant.

Pollinators & wildlife

Attracts: Bees, Butterflies, Hummingbirds

Growing & care

Pruning: Guide shoots onto supports; trim wandering stems to control spread.
Support: Provide a trellis or other support for climbing stems.

Sources & photo credits

Ball Seed

NC State Extension

Photo: Sunny™ Lemon Star black-eyed Susan vine ('Lemon Star'), photo courtesy of Ball Seed; resized for web without enlargement. · Ball customer promotional-use photo license

Image notes: Sunny™ Lemon Star black-eyed Susan vine ('Lemon Star'), photo courtesy of Ball Seed; resized for web without enlargement. Propagation is prohibited.

Reviewed September 22, 2026. Growing conditions vary by location.