Rafaela Kahn

Rafaela Kahn

Modified & Updated: 28 Nov 2023

Source: Thespruce.com

Black-Eyed Susan Vine, also known as Thunbergia Alata, is a fascinating plant that adds a touch of beauty and charm to any garden or landscape. With its vibrant yellow or orange flowers, this vine captures the attention of both humans and pollinators alike. But there’s more to this climbing vine than meets the eye.

In this article, we will explore 11 captivating facts about the Black-Eyed Susan Vine, from its origin and growth habits to its benefits and care tips. Whether you’re a plant enthusiast looking to expand your knowledge or a gardener planning to include this vine in your next project, these facts will provide you with a deeper understanding and appreciation of this remarkable plant.

Table of Contents

The Black-Eyed Susan Vine is a Vibrant Perennial

The Black-Eyed Susan Vine, scientifically known as Thunbergia alata, is a stunning flowering plant that belongs to the Acanthaceae family. It is native to Eastern Africa but has gained popularity worldwide due to its vibrant and attractive appearance.

It Gets its Name from its Distinctive Flower

The Black-Eyed Susan Vine gets its name from its characteristic flower, which features a dark, velvety center surrounded by vibrant yellow petals. This unique flower resembles the eye of a black-eyed Susan, hence the name.

It is an Excellent Climbing Vine

One of the remarkable features of the Black-Eyed Susan Vine is its climbing ability. It has twining stems that can easily reach a height of 6 to 8 feet (1.8 to 2.4 meters), making it a perfect choice for trellises, fences, or pergolas.

It Attracts Pollinators

The Black-Eyed Susan Vine’s vibrant flowers act as magnets for pollinators like bees and butterflies. Its nectar-rich blooms provide a valuable food source, making it a welcome addition to any pollinator garden.

It Comes in a Variety of Colors

While the classic Black-Eyed Susan Vine features yellow flowers with a black center, there are also varieties available in different colors. These include white, orange, and even bicolor varieties, allowing for a range of options when choosing the perfect vine for your garden.

It Thrives in Full Sun

The Black-Eyed Susan Vine is a sun-loving plant that requires at least 6 hours of direct sunlight to thrive. Planting it in an area with full sun exposure will ensure vigorous growth and abundant blooms.

It Prefers Well-Draining Soil

The Black-Eyed Susan Vine prefers well-draining soil to prevent the risk of root rot. It is best to provide it with fertile, loamy soil that retains moisture while allowing excess water to drain away.

It is Easy to Grow

Even for novice gardeners, the Black-Eyed Susan Vine is a great choice. It is known for its low maintenance requirements and adaptability to various growing conditions, making it a hassle-free addition to any garden.

It Blooms Throughout the Summer

You can expect a spectacular display of blooms from the Black-Eyed Susan Vine throughout the summer months. Its flowers will continue to grace your garden with their vibrant beauty, adding a touch of color to your outdoor space.

It Can be Grown as an Annual

While the Black-Eyed Susan Vine is a perennial plant in its native habitat, it is often grown as an annual in cooler climates. By replanting it each year, you can still enjoy its stunning blossoms even if you live in an area with frosty winters.

It Makes a Lovely Cut Flower

The Black-Eyed Susan Vine’s beautiful flowers also make it an excellent choice for cut floral arrangements. Placing a few freshly cut stems in a vase will bring the vibrancy of your garden indoors, allowing you to enjoy its beauty up close.

These 11 captivating facts about Black-Eyed Susan Vine highlight its beauty, versatility, and ease of cultivation. Whether you choose to grow it for its striking appearance or to attract pollinators, this vine is sure to add an enchanting touch to your garden.


Black-Eyed Susan Vine, or Thunbergia alata, is a captivating and versatile plant that deserves a place in every garden. With its vibrant yellow or orange flowers, it adds a pop of color and visual interest to any landscape. Not only is it visually appealing, but it also attracts butterflies and hummingbirds, making it a delightful addition for nature enthusiasts.

But the beauty of this vine goes beyond its looks. Black-Eyed Susan Vine is incredibly easy to care for, making it suitable for both beginner and experienced gardeners. It thrives in full sun and well-draining soil, and its drought tolerance means that it can withstand dry spells without much fuss. With a little pruning and occasional fertilization, this vine will reward you with its stunning blooms throughout the growing season.

Whether you’re looking to cover a trellis, brighten up a fence, or add some vertical interest to your garden, the Black-Eyed Susan Vine is a wonderful choice. Its versatility, low maintenance requirements, and eye-catching flowers make it a standout plant that will undoubtedly leave a lasting impression.


Q: How tall does the Black-Eyed Susan Vine grow?

A: The Black-Eyed Susan Vine can reach a height of 6 to 8 feet, making it ideal for vertical gardening or creating a dramatic visual impact.

Q: Does the Black-Eyed Susan Vine require a lot of sunlight?

A: Yes, the Black-Eyed Susan Vine thrives in full sun. It requires at least 6 hours of direct sunlight daily to grow and flower properly.

Q: Can I grow the Black-Eyed Susan Vine in a container?

A: Absolutely! The Black-Eyed Susan Vine adapts well to container gardening. Choose a large container with good drainage, use a well-draining potting mix, and provide a trellis or support for the vine to climb.

Q: How often should I water the Black-Eyed Susan Vine?

A: The Black-Eyed Susan Vine prefers moderate watering. Water it when the top inch of soil feels dry. Be careful not to overwater as this can lead to root rot.

Q: Does the Black-Eyed Susan Vine attract any beneficial insects?

A: Yes, the bright flowers of the Black-Eyed Susan Vine attract butterflies, bees, and hummingbirds, making it a pollinator-friendly plant that contributes to a healthy garden ecosystem.

Q: Does the Black-Eyed Susan Vine require any special care during winter?

A: In colder regions, the Black-Eyed Susan Vine is usually grown as an annual. However, if you live in a mild climate, you can provide some winter protection by mulching around the base of the plant to insulate the roots.