Also known as Carolina Jessamine · Carolina-Jasmine · Evening Trumpet-Flower
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Evening Trumpetflower (Gelsemium sempervirens) is a vigorous evergreen vine prized for its abundant, fragrant, yellow trumpet-shaped flowers.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers full sun for best flowering, tolerates partial shade.
Moderate
50% intensity
Keep soil consistently moist, but not waterlogged.
Well-drained, fertile soil
50% intensity
Moderate
50% intensity
Prefers temperatures between 18-24°C during the growing season.
Low
25% intensity
Fertilize sparingly in spring.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 5/5 intensity |
| Toxic for pets | Yes 5/5 intensity |
| Edible | No |
All parts of the plant are toxic. Contains alkaloids like gelsemine and gelseminic acid, which can cause symptoms such as nausea, vomiting, dizziness, blurred vision, and in severe cases, respiratory depression and cardiac arrest.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, especially during dry periods, to maintain consistent soil moisture. Allow the top few centimeters of soil to dry out slightly between waterings.
Reduce watering in winter, but do not let the soil become completely dry. Overwatering can lead to root rot.
Prune immediately after flowering to shape the plant and remove dead or damaged branches. Light pruning can be done throughout the growing season to control size and encourage bushier growth.
Heavy pruning should be avoided.
Propagate by semi-hardwood cuttings taken in summer or by layering in early autumn. Cuttings should be treated with rooting hormone and placed in a well-draining medium. Layers should be well-rooted before separation.
Repot young plants every 2-3 years in spring, or when they become root-bound. Use a well-draining potting mix. Mature plants generally prefer to be slightly root-bound and may not require frequent repotting.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Evening Trumpetflower (Gelsemium sempervirens)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Gelsemiaceae |
| Genus | Gelsemium |
| Species | Gelsemium sempervirens |
Similar in genus Gelsemium
Answers based on plant encyclopedia data
