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Wonderful Wherever Planted
Gardeners simply fall in love with the Thunbergia vine!
Thunbergia (Thunbergia Alata Sunrise Mix)
This Thunbergia annual is commonly called Black-Eyed Susan Vine. This Black Eyed Susan vine is very quick to bloom, offers a super-long season of color, and has a classic color pattern that complements everything in the garden! The blooms reach about 1 1/2 inches in diameter when open wide. The petals are a mix of white, yellow and orange, surrounding a bold black eye on most blooms. The blooms are profuse, smothering the vine over a long bloom season clear up until frost.
Thunbergia vines grows best in full sun. They need average, well-drained soil. Plant seedlings 3 inches away from supports. Space plants 8 - 12 inches apart. Pinch the tips of young Black-Eyed Susan plants to encourage branching. In areas of no frost, Thunbergia vines will grow as a perennial. In colder climates, grow it as an annual, sowing the Thunbergia seeds each year.
If grown in a container, Thunbergia Black Eyed Susan vine can be wintered indoors in a bright, sunny window.
Thunbergia Seeds | Mix
How to Grow
It is recommended to soak the Black-eyed Susan vine seeds over night in tepid water. Following the soaking, sow Thunbergia seeds outdoors after the last frost in prepared seed bed.
Or, to get a jump start on the growing season, sow Thunbergia Alata seeds indoors 6 - 8 weeks before outdoor planting. Thunbergia flower seeds germinate better in darkness.
Netting or strings make good trellis material. Solid fencing or large posts will need trellis material for the vine to climb.
Flower Specifications
- Sowing Rate: 3 seeds per plant
- Depth: 1/4 inch
- Moisture: Keep seeds moist until germination
- Average Germ Time: 14 - 21 days
- Plant Spacing: 8 - 12 inches
- Height: 60 - 84 inches (vining)
- USDA Zones: 3 - 10
- Season: Annual
3 Chihuahuas :)
2025-08-30 12:09:42
My first order was lost in the mail, they quickly sent a replacement. If you soak these seeds between paper towels in a ziploc they germinate quickly ( not soaking wet)..I think they all sprouted too
Kristen Lloyd
2025-08-23 13:05:21
Beautiful
patricia
2025-08-20 13:20:01
Nunca salieron las flores
Suzanne
2025-06-26 15:40:23
I followed the directions on the packet to a tee. Of the 100 seeds, I have only seen two seedlings pop through the ground so far. My fingers are crossed and I'm still hopeful.
Carol LeBlanc
2025-04-23 12:24:23
Although it is too early to plant these I have had them in past and they are very prolific and once established grow like mad and are very drought resistant.
Old lady
2025-01-27 18:36:12
Every seed I planted grew and quickly. All are great plants also... just have to transplant...Update, transplant didn't work but believe i did it too early.
Susan Emerson
2024-12-15 18:51:00
I sewed them, watered them and kept them in a sunny spot. Less than half sprouted.
Mandy Helms
2024-12-13 13:40:14
I just planted these and already they have sprouted and are growing in my vegetable garden.
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