Gelsemium sempervirens, Carolina jessamine

Carolina jessamine, false jasmine
Gelsemium sempervirens

Hardiness: Zones 7 to 10
Plant type: Vine
Height: 12- 20'
Spread: 3- 6'
Sun: Full sun
Water: Medium
Bloom time: February to April
Bloom color: Yellow, showy and fragrant
Soil: Tolerates a variety of soil types, but prefers well-draining, slightly acidic soil. 

Notes: Flowers and foliage are poisonous if ingested, avoid planting in areas that are prone to flooding or that have poor drainage.

More information on this plant here.