An overhead angle of an arrangement of African Sunset Mix Black-Eyed Susan Vine flowers, vines and foliage on a white background
A close-up view of African Sunset Mix Black-Eyed Susan Vine flowers in a variety of colors.
African Sunset Mix Black-Eyed Susan Vine flowers and vines with foliage arranged on a light background.
African Sunset Mix Black-Eyed Susan Vine growing in the gardens at Baker Creek.
An overhead angle of an arrangement of African Sunset Mix Black-Eyed Susan Vine flowers, vines and foliage on a white background
A close-up view of African Sunset Mix Black-Eyed Susan Vine flowers in a variety of colors.
African Sunset Mix Black-Eyed Susan Vine flowers and vines with foliage arranged on a light background.
African Sunset Mix Black-Eyed Susan Vine growing in the gardens at Baker Creek.

Black-Eyed Susan Vine Seeds,
African Sunset Mix

SKU: #FL942Min. seed count: 10
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Description

(Thunbergia alata). Perennial. Annual. This soft and soothing mix of peach, apricot, and neutral colors is perfect for growing up a fence or trellis. This lovely native vine from Africa is a vigorous, easy-to-grow climber that blooms from midsummer until frost.  The plants will perennialize in USDA zones 9 and warmer. 

Plant Details

Botanical Name
Thunbergia alata
Growth Habit
Climbing
Days to Germinate
10–21
Days to Maturity
90–110
Planting Depth
¼ in.
Plant Spacing
14–16 in.
Ideal Temperature
70–75°F
Frost Hardy
No

When to Grow

Soak the seeds for 24 hours, then sow them indoors about 6 weeks before your last frost date, and have a fence or trellis ready - this mix is a vigorous climber. Thunbergia wants heat and humidity. Full sun gives the heaviest bloom in most regions; in the hottest climates, some afternoon shade keeps the foliage from scorching. Bloom runs from midsummer until frost, and in USDA zones 9 and warmer the plants will perennialize.

How to Sow and Plant

  • Seeds germinate in 7-14 days.
  • Soak seeds for 24 hours before planting to hasten germination.
  • Sow seeds indoors 6 weeks before last frost.

How to Grow

  • Thunbergia is a tropical climbing vine that prefers partial/dappled shade, heat and humidity.
  • Space plants 8-12 inches apart.
  • Plants cannot tolerate blazing full sun. They will sunburn, so it is important to keep the plants protected from all-day full sun.
  • Provide a trellis for the vines to climb.
  • Afternoon shade is ideal.

PESTS/SPECIAL CONSIDERATIONS

No particular pests or diseases.

How to Save Seeds

Seeds are easy to save if you catch them before they fly across the garden!

  • The mature seeds of thunbergia will spring open and disperse sometimes feet away from the plant (this is how the plant evolved to travel and spread!).
  • When your flowers bloom, allow the flowers to die off and turn brown. You will see a yellowing pod that has a long, pointed tip and round base. Allow it to dry partially before bagging it with a little piece of cheesecloth or paper bag, whatever you have on hand. This bagging will capture the seeds before they explode across the garden.
  • Dried seed pods can be cracked open to reveal 2-3 small, round black/brown seeds.
  • Store in an airtight jar or plastic bag. Store seeds in a cool, dark, dry place.

FAQ

Do African Sunset Mix seeds need soaking before planting?

Yes. Soaking the seeds for 24 hours before planting hastens germination. Sow the seed 1/4 inch deep; germination takes 10 to 21 days.

How far apart should African Sunset Mix be planted?

Space plants 14 to 16 inches apart, and provide a trellis for the vines to climb.

What colors are in the African Sunset Mix?

It is a soft, soothing blend of peach, apricot, and neutral tones. The vine is a vigorous, easy-to-grow climber, well suited to growing up a fence or trellis.
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