How you can Plant, Develop, and Look after Black-eyed Susan Vines

Black-eyed Susan vine is a tropical plant with sunny daisy-like flowers. Whereas it isn’t associated to rudbeckia (aka black-eyed Susans), the flowers resemble them carefully. They’ve 5 petals and a darkish round middle.

This vine is just hardy in USDA zones 9-10, which makes it an annual for many American gardeners. It’s nice for including shade and top to our backyard beds and containers. It’s vigorous and fast-growing too. Let’s dive into the way to develop Black-eyed Susan vines!


Sunlight peeks through a lush forest canopy, illuminating a radiant Black-eyed Susan vine. Soft focus blurs distant tendrils, drawing attention to the vibrant orange flower in the foreground. Its petals unfurl like flames around a deep, mysterious center, contrasting against emerald leaves clinging to a rustic wooden trellis.

Plant Kind

Flowering vine

Native space

Japanese Africa via east South Africa


Full solar to partial shade

Plant Spacing

14-16”, much less in containers.

Planting Depth

To the crown

Watering necessities



Spider mites, whiteflies

Soil Kind

Mild, wealthy, well-drained


butterflies, bees, pollinators

Plant with

Geranium, petunia, calibrachoa

Seed Varieties

Black-Eyed Susan

Black-Eyed Susan Vine Seeds

Spanish Eyes

Spanish Eyes Black-Eyed Susan Vine Seeds

Plant Historical past

Black-eyed Susans spill over a meticulously crafted trellis, their radiant yellow petals contrasting against a backdrop of warm, rustic wood. Delicate veins weave through heart-shaped leaves, adding a touch of texture to the vibrant scene.
Launched to Europe within the nineteenth century, this vine is cherished for its vivid flowers.

Black-Eyed Susan vine, identified by the scientific title Thunbergia alata, is native to East Africa. It was named after Swedish botanist Carl Linnaeus’s pupil, Carl Peter Thunberg. 

It was launched to Europe within the nineteenth century and gained reputation for its vivid yellow flowers with darkish facilities. This beautiful flowering vine is now broadly cultivated as a decorative plant in gardens and is cherished for its vibrant blooms.

Please be aware: in case you dwell in a tropical zone corresponding to Hawaii or Puerto Rico, it is taken into account invasive and needs to be prevented.


Four flowers showcase their vivid beauty with deep orange petals that gently fade towards the edges, highlighting delicate veins. These striking flowers are framed by contrasting black centers and embraced by large, lush leaves adorned with intricate veins, creating a captivating and textured arrangement.
Varieties range in flower shade, dimension, and progress habits.

There are a number of varieties and cultivars accessible, every with distinctive traits. Frequent variations embrace variations in flower shade, dimension, and progress habits. I’ll share a few of my favourite varieties within the varieties part beneath.


There are lots of methods to propagate and develop these fairly flowering vines. Since they’re annuals in most areas, it’s good that they might be propagated in some cheap methods.


Sunlight dances across clusters of vibrant yellow Thunbergia alata blooms, their dark centers like watchful eyes. Lush foliage spirals around them, while long, graceful tendrils weave a mesmerizing pattern, hinting at the vine's adventurous spirit.
This standard annual is broadly accessible at nurseries.

When bedding annuals come out in your native backyard middle or nursery, you’ll doubtless discover black-eyed Susan vines. Very often, they may come already rising on trellises. Or you could find smaller ones which you can plant instantly into your backyard or containers.


A cluster of vibrant yellow flowers bask in the morning sun. Their dark, almost black, centers contrast beautifully against the cheerful yellow petals, creating a striking display. Delicate green leaves with fuzzy undersides peek out from behind the blooms, adding to the lushness of the scene.
Propagate by way of cuttings, rooting them in moist soil, and checking progress after every week.

When you purchased a black-eyed Susan plant, you may all the time take cuttings from it to make extra. It would be best to select a younger, wholesome a part of the plant and reduce it beneath a node (the place the leaf meets the stem). Dip the reduce tip right into a rooting hormone powder. That is non-obligatory, nevertheless it does assist your slicing develop roots sooner.

Subsequent, place the reduce finish right into a container ready with evenly moist seed beginning combine (potting soil works in a pinch, too). Plant it deep sufficient to cowl the node, and so the stem is firmly planted. Place a plastic cowl or dome over it to maintain the moisture in. Place it in vivid however oblique daylight.

After a couple of week or so, uncover your slicing. It’s best to be capable of tug it gently, and it’ll not pull out simply if the rooting is profitable.

You possibly can overwinter the plant in your own home. Then, take cuttings from that mom plant to create extra new crops.


Warm sunlight bathes a rustic wooden table, illuminating a vibrant chaos of Black-eyed Susan vine parts. Golden petals, velvety brown centers, and tiny black seeds spill across the surface, their textures contrasting like sunshine and shadow.
Black-eyed Susan seeds might be planted open air after frost or indoors 4-6 weeks earlier than the ultimate frost for earlier blooms.

This annual might be simply grown from seed. You probably have a big space you need lined on this flowering vine, it is a very cheap technique to do it.

Direct Sow

Plant the seeds instantly into the backyard. Wait till the hazard of frost has handed. Soak your seeds for just a few hours or in a single day earlier than planting them. Select a sunny location with moist, well-drained soil (extra about excellent rising circumstances within the ‘the way to develop’ part). Preserve them watered as they sprout and develop.

Begin Indoors

To get your vines to mature and flower sooner, you can begin them indoors. That is particularly vital in case you dwell in a colder zone and have a shorter rising season. Begin your seeds 4-6 weeks earlier than the ultimate frost. It could appear to be a good higher concept to begin them earlier. However beginning them earlier makes it tougher for them to transition out into the backyard. It’s best to begin them solely 4-6 weeks earlier than they may go exterior.

Sow them in containers prepped with evenly moist seed beginning combine or potting soil. Don’t bury the seeds deep into the soil. Simply brush a little bit of soil over them, as they require mild to germinate. Place a dome lid of some kind over them to maintain the moisture in, and place them in vivid oblique solar.

Examine on them typically. They need to germinate in 12-21 days. As soon as they begin to sprout, transfer them to a sunny location (or below develop lights). Harden them off, then transplant them open air in any case hazard of frost has handed.

When you dwell in a hotter zone (10+), you may let your crops go to seed. They’ll self-seed and develop new vines the next season.


A vibrant enchanting vine spills from a black pot perched on a stone brick path. Its orange and yellow blooms mingle with lush green leaves, creating a colorful cascade that tumbles toward the ground below.
Choose a becoming location, plant in compost-mixed soil, and water totally.

Select an acceptable location (take a look at the ‘the way to develop’ part beneath to find out a perfect location). Dig a gap about two to 3 instances bigger than the plant container itself. Gently take away the vine from its pot and place it into the opening.

I exploit a combination of about one-third compost with two-thirds of the prevailing backyard soil. Be certain that the soil line is stage with the crown of the plant (the place the stem meets the roots). Fill the soil round it and firmly press your plant down into place.

Give it deep soak to assist the plant set up. That is greatest achieved on a cloudy or wet day. If that isn’t doable, attempt planting within the early morning or the night versus the warmth of the day.

How you can Develop

If grown of their excellent circumstances, these vines develop vigorously and flower constantly via the summer time months. Let’s study what the perfect circumstances are.

Daylight Necessities

This close-up captures the radiant beauty of a Black-eyed Susan vine. Three sunshine-yellow flowers with prominent black centers are bathed in warm sunlight, creating a halo effect around their delicate petals. Heart-shaped leaves of the vine with delicate fern-like fronds peek into the frame, adding a touch of textural contrast.
This vine requires full solar to half shade, not less than six hours each day, for optimum progress and blooming.

This flower thrives in full solar to half shade circumstances. Be sure that it receives not less than six hours of daylight every day to maintain it rising and blooming to its full potential.

If it seems to be spindly, stretches in direction of the sunshine, and has few blooms on it, it wants extra solar. On the flip aspect, whether it is getting scorched leaves and is consistently drooping, that’s an indication it’s in an excessive amount of direct solar, particularly within the warmth of the day.

Soil Necessities

A close-up of a dry, yellowish-brown soil. The soil is loose and crumbly, with small rocks and soil crumbles scattered throughout. The photo is taken from a top-down perspective, revealing the texture of the soil in detail.
They like well-draining, loamy soil enriched with natural matter for wholesome progress.

Present wealthy, loamy, unfastened soil. If grown in a container, potting combine works greatest. In case you are rising it instantly in your backyard, ensure that your soil is amended with a number of natural matter, and also you would possibly even want some coconut coir or peat to lighten it up.

This plant hates being waterlogged, so having unfastened soil is vital. I do a fast soil squeeze check to find out if the soil is simply too heavy. Seize a handful of soil and squeeze it in your hand. If it sticks collectively like a ball of putty, it has a excessive clay content material and won’t drain freely.

It’s worthwhile to add a number of natural matter within the type of compost, aged manure, worm castings, or sea soil. Additionally think about including coconut coir or peat to the mattress. This can loosen the soil and assist it drain water simply.

Water Necessities

A pair of flowers bathe in the aftermath of a summer rain. Crystal-clear raindrops perch on their delicate petals, catching the light and sparkling like diamonds. The dark centers of the flowers add a touch of drama to the scene.
Wilted crops typically get well with a deep, thorough watering.

Preserve the soil evenly moist. These vines don’t wish to dry out. I had a shopper with stunning black-eyed Susan vines I planted in two containers by their again door. Each week, after I got here to keep up their backyard, the vines regarded useless. They had been wilted to nothing. After pouring two large jugs of water into every, they’d virtually magically perk again up. I don’t suggest letting them get to that time. It careworn them, and so they by no means bloomed to their fullest. However, in case you suppose you’ve killed your vine, there’s likelihood it simply wants drink. Don’t allow them to get to the crispy level of no return.

Ideally, preserve them evenly moist always. If they’re rising in containers, which may imply each day or twice each day watering, relying on the scale of the container and the quantity of daylight they obtain.

In case your container or hanging basket is dry, I like to recommend taking them and putting them in a small tub or shallow container with water and letting the plant take in water from the underside (in the event that they’re straightforward to carry and transfer). I’ve a small tub I preserve in my greenhouse particularly for this objective. Typically, when crops in containers get actually dry, water poured on them will pour straight out the underside with none absorption. Backside watering ensures they take in the water.

Local weather and Temperature Necessities 

A lush hedge overflowing with vibrant orange flowers. Raindrops glisten on the delicate petals and emerald green leaves, creating a sense of freshness and vitality. Long, delicate tendrils weave in and out of the blooms, adding a touch of whimsy to the vibrant scene.
Black-eyed Susan, perennial in zones 9-10, are annuals elsewhere and probably invasive in heat climates.

These tropical vines thrive in zones 9-10. In different areas, they’re handled like an annual that will get replanted each season.

They like protected areas out of the wind. That’s why they’re nice in containers close to the home or maybe towards a fence or on a trellis in a small protected backyard.

In hotter zones the place they do thrive, they thrive too properly. They’re thought-about invasive and shouldn’t be planted in Hawaii and Puerto Rico.


 A close-up of a heaping spoonful of colorful fertilizer sits nestled in a bed of dark, rich soil. The fertilizer is composed of many different colored pellets, including white, yellow, brown, and gray pellets. The soil itself is a deep brown hue, with visible clumps and fine particles, suggesting it is moist and fertile.
For Black-eyed Susan, use high-phosphorus fertilizer each two weeks in summer time after watering to keep away from burning.

I fertilize black-eyed Susan with an all-purpose fertilizer or one which has an emphasis on blooms. The bloom formulation have a excessive center quantity, phosphorus, which is what’s accountable for flowers and fruit. I fertilize each two weeks in the summertime.

Be certain that to all the time water your crops earlier than fertilizing. Fertilizing dry crops can burn them.


This close-up features a rustic wooden trellis overflowing with vibrant orange and yellow Black-Eyed Susan vine flowers. The delicate blossoms, with their dark contrasting centers, spill out and weave their way down to the ground. Lush green foliage from the vine mingles with the blooms, creating a sense of abundance and life.
Care is straightforward; present a help to climb and prune as desired.

Black-eyed Susan vines require solely a little bit of upkeep. If you would like them to climb, it’s worthwhile to present help for them to twine and climb. A trellis, obelisk, arbor, or chain hyperlink fence all work nice.

You don’t want to deadhead to maintain it blooming. You possibly can prune and form the vine if you want.


The blooms are mostly vivid yellow with darkish facilities. However there are different varieties accessible which have some totally different colours that would possibly fit your backyard higher than the normal yellow one.

‘Vibrant Eyes’

A captivating close-up of a white 'Bright Eyes' vine. The pure-white petals, tinged with the faintest hint of ivory, unfurl gracefully around a deep, velvety black center. Each petal is delicately edged with a soft ruffled rim, like tiny waves frozen in time.
The white petals and black middle of ‘Vibrant Eyes’ are excellent for bridal shows or moon gardens.

‘Vibrant Eyes’ is a white selection. It options vivid white petals and a black middle. It could look nice in bridal floral shows. Or it may be utilized in a moon backyard to naturally illuminate walkways at evening with its vivid white flowers.

‘Tangerine Slice A-Peel’

A pair of vibrant Black-eyed Susan flowers dominate the foreground, their ruffled petals displaying a striking tangerine and yellow gradient, resembling a fiery pinwheel. The flowers’ dark brown centers contrast against their sunny petals, while large, veined leaves peek in from the background, adding depth and texture to the scene.
This selection has reddish-orange petals with yellow stripes and a darkish middle.

‘Tangerine Slice A-Peel’ is a colourful selection. It options reddish orange petals with yellow strains dividing the 5 petals. Then it has a darkish middle. It could be a singular addition to a container. It seems to be very unique.

‘Blushing Susie’

Sun-kissed and faded, a close-up of 'Blushing Susie' thunbergia blooms. Velvety petals in peach and rose hues whisper of vintage charm, their delicate forms framed by curling, sepia-toned leaves. A timeless beauty, frozen in a nostalgic bloom.
With a mixture of yellow, peach, and pink, ‘Blushing Susie’ brings vibrant colours to your backyard.

‘Blushing Susie’ is a tender and romantic selection. It has flowers that are available in numerous shades of sentimental yellow, pale peach, and rosy pink on a single vine. All of them have the traditional black middle. It’s multifaceted and brings quite a lot of shade to your backyard or containers with solely a single plant.

‘Spanish Eyes’

Sun-kissed peach-red blooms of the 'Spanish Eyes' vine steal the spotlight in this close-up. Fuzzy petals, veined with dusk, radiate warmth as sunlight peeks through, casting soft shadows on the surrounding emerald leaves.
Bursting with sunset-colored blooms, ‘Spanish Eyes’ enhances combined containers or trellises fantastically.

‘Spanish Eyes’ is a colourful selection that blooms five-petalled flowers in sundown shades. This dreamy selection seems to be nice in combined containers planted with calibrachoa with comparable colours, corresponding to ‘Eyeconic Compact Sundown’. Or plant it by itself on a trellis or fence for an explosion of fiery shade.


A vintage garden setting with a vibrant orange and red black-eyed flowers cascading over a weathered wooden trellis. The vine’s delicate tendrils twine around the trellis’s latticework, creating a tapestry of colorful blooms and lush green leaves.
Function the vine as a hanging centerpiece in containers.

Black-eyed Susan vines add top and shade to container preparations, making them an exquisite ‘thriller’ plant to be the centerpiece. Select a big container and place a small trellis or backyard obelisk within the middle.

You don’t even want so as to add another crops. The vine will fill the pot, develop tall, and be stuffed with five-petaled flowers. Or, you may place the trellis extra in direction of the again of the pot. Then, fill the entrance with filler and spilled crops. Geraniums and ivy or ‘wave’ (trailing) petunias could be a good selection for an explosion of flowers.

You may as well characteristic the plant as a ‘spiller’ in containers. These are the crops that path downwards and pour out of the pot. Use them in hanging baskets on their very own or combined in with different flowers. They may also be planted as trailers in combined containers. Maybe a canna lily within the middle, with petunias and the flowering vines spilling out the sides.

Pests and Illnesses

Black-eyed Susan vines don’t normally wrestle with pests and illnesses. In case you are having issues, it’s most probably as a result of they don’t seem to be rising of their excellent circumstances. Let’s study a few of the pests and illnesses that could possibly be affecting your plant.

Powdery Mildew 

A Black-eyed Susan leaf, once vibrant green, stands stark against the lens, its surface tragically blanketed in a thick, dusty coat of powdery mildew. The fungus, like a ghostly snowfall, steals the leaf's life, leaving behind a grim tapestry of white against the fading green veins.
Forestall powdery mildew with watering routine and a sunny location.

Powdery mildew is a fungus that can coat your crops in a powdery movie that dusts off. This coating stunts and may ultimately kill your black-eyed Susan vine.

Powdery mildew assaults weakened crops. Be certain that your black-eyed Susan is assembly all its rising necessities. That’s six hours of daylight and moist, free-draining soil. If any of those necessities should not met, the plant turns into extra prone to fungus-like powdery mildew.

One other subject is watering. Spraying the foliage of your vine leaves your plant extra prone to powdery mildew. When watering, solely water the soil line. I exploit a drip hose snaked via my backyard. If I’m watering containers, I goal for the soil versus the foliage. Or water from the underside of the container by putting the container in a tray of water and letting it soak it up.

One other tip to stop powdery mildew is water timing. Watering within the morning is preferable over evening watering. When you water early within the morning, the solar will dry the foliage. Whereas, watering later leaves the leaves moist throughout the evening and weak to mildew.

After all, we will’t all the time management issues like wet, humid climate. Typically, powdery mildew occurs. When you do spot it, ensure that to scrub up the vines. If the illness persists even after removing, get rid of them to keep away from reinfection subsequent season.

Sadly, regular fungicides don’t have a lot impact on powdery mildew. You possibly can try and pre-treat if you realize it’s been a problem within the planting space beforehand, or keep away from planting there altogether.

Spider Mites and Whiteflies

A dramatic close-up of a group of red spider mites, also known as two-spotted spider mites, on their web. The mites are tiny, reddish-brown creatures with eight legs, and they are clustered together in the center of the web. The web is delicate and wispy, as it is stretched across a dark background.
Splendid progress circumstances and early pest detection shield Black-eyed Susan from spider mites.

Spider mites are small, crimson, spider-like bugs that type networks of silky webs throughout your crops as they feed on plant sap. This feeding weakens and ultimately kills the plant with no intervention.

Spider mites prey on already weakened crops. Be certain that your black-eyed Susan vine is rising in its excellent circumstances. As talked about above, that features six hours of daylight, reasonable water, and light-weight, well-drained soil.

Whiteflies feed in an analogous means. When you brush your plant and see tiny white moths flittering away, you’re coping with whitefiles. The perfect therapy for them is blasting them with water.

It’s a good suggestion to examine crops periodically for pests. Spider mites and whiteflies are a lot simpler to cope with in case you catch them early. You should buy an insecticidal cleaning soap and spray based on the instructions on the label.

If the infestation is admittedly unhealthy, generally I simply reduce my losses, pull the plant, and get rid of it.


A: For an average-sized container (12”) or hanging basket, plant three small vines in a triangle just a few inches aside. They’ll develop massive and fill in.


A: No, they’re thought-about non-toxic.

A: Sure, in case you dwell in a heat zone (USDA 11th of September), they self-seed and regrow readily. In tropical zones, corresponding to Hawaii and Puerto Rico, they’re invasive due to their self-seeding skills.

Ultimate Ideas 

Black-eyed Susan vines are such vibrant, sunny flowering crops to develop. They develop shortly and bloom all summer time lengthy. They give the impression of being nice in containers or climbing up fences and trellises. These versatile, easy-to-grow vines are an awesome addition to your backyard.

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