Gelsemium Species, Carolina Yellow Jasmine, Yellow Jessamine
Gelsemiumsempervirens

Family: Gelsemiaceae Genus: Gelsemium (jel-SEM-ee-um)
Species: sempervirens (sem-per-VY-renz)

Synonym:Bignonia sempervirens

Synonym:Gelsemium lucidum

Synonym:Gelsemium nitidum

Synonym:Jeffersonia sempervirens

Category

Vines and Climbers

Water Requirements

Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure

Sun to Partial Shade

Foliage

Evergreen

Foliage Color

Unknown

Height

15-20 ft. (4.7-6 m)

Spacing

6-8 ft. (1.8-2.4 m)

Hardiness

USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Unknown

Danger

Parts of plant are poisonous if ingested

Bloom Color

Bright Yellow

Bloom Characteristics

Flowers are fragrant

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer
Mid Summer

Other details

Unknown

Soil pH requirements

5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

Non-patented

Propagation Methods

By dividing the rootball

Seed Collecting

Allow pods to dry on plant; break open to collect seeds