Yellow Jessamine

Biological Name:

Gelsemium sempervirens (Yellow-Jessamine)

Natural Habitat:

Yellow-jessamine is a plant native to North America. It can be found in woodlands and forests.


Yellow-Jessamine is a climbing vine that is native to North America. It has small yellow flowers and opposite oval-shaped leaves. It is often found in moist shaded areas and is used in traditional medicine.

Frequently Asked Questions (FAQs)

Q: Is yellow jessamine poisonous?
A: Yellow Jessamine (often referred to as yellow jasmine) is the state flower of South Carolina, and is often used in landscaping and gardens for its beauty and fragrance. The plants contain alkaloids that are toxic to humans and other vertebrates.

Q: Is yellow jasmine poisonous to dogs?
A: Yellow jessamine and night or day-blooming jessamine are two unrelated plants that are both extremely toxic. Fatal poisoning is possible, so these plants should be handled with caution around dogs and children. Protect yourself and your pet.

Q: What is the difference between jasmine and Jessamine?
A: Other names include trumpet vine, evening trumpet flower, and both yellow jasmine and Carolina Jasmine. (Jessamine and jasmine are two variations of the same word, and both are acceptable and accurate names for this plant.

Q: Is jasmine toxic to humans?
A: Is Jasminum officinale poisonous? Jasminum officinale has no toxic effects reported.

Q: Is jasmine harmful to humans?
A: When taken by mouth: Jasmine is LIKELY SAFE for most people in food amounts. There isn’t enough reliable information to know if jasmine is safe when taken by mouth as a medicine.

Q: Is yellow jessamine a jasmine?
A: Yellow jessamine is the state flower of South Carolina. Despite its common name, the species is not a “true jasmine”” and not of the genus Jasminum.”

Q: Is yellow jasmine invasive?
A: Although it can be weedy in an ideal environment, it is not invasive. The sunny yellow, tubular flowers will be in higher production in full sun which is why the vine grows to the top of trees and shrubs – it is seeking the most sun possible.

Q: Does yellow jasmine grow fast?
A: The Yellow Jasmine can quickly twine and vine to a mature length of 20 feet. Once established this vine can easily grow 5 feet a year. This vine thrives in full to part sun and is adaptable to any moist, well-drained soil.

Q: How fast does Jessamine grow?
A: Plant jessamine along a fence or wall, or even as a ground cover. While this plant will tolerate some shade, you’ll find it blooms much more prolifically and grows much more densely in full sun. In the right conditions, it will grow 3 to 5 feet per year.

Q: Does yellow jasmine stay green all year?
A: Foliage: Glossy green and narrow, 2 to 3 inches long. The leaves remain on the stems all year but take on a purple or yellow cast in the winter. Flowers: Yellow 2-inch-long tubular flowers are held in clusters. Appear in late winter or early spring.

Q: Is yellow jasmine Hardy?
A: The Yellow Jasmine is a fully hardy plant, tolerating temperatures as low as -20c as well as droughts. The plant is best positioned where it will receive morning or afternoon sun or half shade. We have excellent quality, 30-40cm tall plants on offer.

Q: What is the hardest jasmine?
A: Common jasmine (Jasminum officinale) and winter jasmine (J. nudiflorum) are hardy, so established plants should be fine outside all winter.

Q: What is yellow jessamine used for?
A: Yellow jasmine has a strong tranquilizing action, so it became a popular pain reliever and sedative, as well as an antispasmodic for asthma, whooping cough, and croup in the 1800s.

Q: Does yellow jasmine have a scent?
A: The Carolina jessamine, Gelsemium sempervirens, is a native vine that produces a sweetly-scented yet highly toxic flower. Also referred to as the yellow jessamine, yellow jasmine, and Carolina jasmine, Carolina jessamine serves as South Carolina’s state flower.

Q: Is yellow cestrum poisonous?
A: Tropical and subtropical areas. All plant parts of Cestrum species are toxic, especially the berries.

Q: What are the side effects of jasmine?
A: Generally speaking, jasmine tea is incredibly healthy with little to no side effects. However, it does contain caffeine, which may cause issues for some people. Side effects of ingesting too much caffeine include anxiety, restlessness, jitters, and stomach issues ( 37 ).

Q: How poisonous is Carolina jessamine?
A: All parts of this plant are very poisonous. The sap may cause skin irritation in sensitive individuals. Children can be poisoned by sucking the nectar from the flowers. Insects or diseases are rarely a problem on Carolina jessamine.

Q: Will dogs eat Carolina jessamine?
A: Gelsemium sempervirens (Carolina jessamine) not listed on the ASPCA list but is listed on Cornell University’s Department of Animal Science – Plants Poisonous to Livestock and also on Plants Poisonous to Livestock and Pets in North Carolina.

Q: Is Carolina jasmine toxic to dogs?
A: Carolina Jasmine Toxicity in Pets All parts of the plant can contain toxic alkaloids. Eating just one flower has reportedly been lethal to children or pets. The plant can also cause skin allergies in some people and it is possible that the plant toxins can be absorbed through the skin, especially if there are cuts.

Q: Is Carolina jessamine toxic to bees?
A: No definitive scientific evidence exists on the lethal effects of Carolina jasmine on bees, but anecdotal evidence presented by Lady Bird Johnson Wildflower Center suggests it may have a detrimental effect on honeybees if the nectar is consumed in large quantities.

Q: Is Carolina jasmine toxic to humans?
A: These flowers resemble the honeysuckle, but they are not in the least bit edible. The Carolina jessamine, Gelsemium sempervirens, is a native vine that produces a sweetly-scented yet highly toxic flower.

Q: Is Carolina jasmine invasive?
A: Carolina jasmine is native to the United States and found in most areas along the eastern Seaboard. Although it can be weedy in an ideal environment, it is not invasive.

About the author

Samuel is a gardening professional and enthusiast who has spent over 20 years advising homeowners and farm owners on weed identification, prevention and removal. He has an undergraduate degree in plant and soil science from Michigan State University.