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Marcus, Joseph A.
Gelsemium sempervirens (L.) W.T. Aiton
Carolina jessamine, Yellow jessamine, Evening trumpetflower, Poor man's rope
Synonym(s): Bignonia sempervirens, Bigonia sempervirens
USDA Symbol: Gese
USDA Native Status: L48 (N)
Native from Virginia and Florida west to Arkansas and east Texas and south to Guatemala, Carolina jessamine is a twining, evergreen vine, 10-20 ft. long, that will climb trees, scramble over fences and structures, or develop a mound of tangled stems if left to its own devices. Lustrous, dark-green foliage develops a slight yellow or purple cast in winter. Axillary clusters of very fragrant, yellow, trumpet-shaped flowers. The fruit is a 1 1/2 in. long capsule.
This high-climbing vine is very common in parts of the South, frequently found in abandoned fields and climbing high into the canopies of pine forests. It is quite adaptable and tenacious, with no serious disease or insect problems. These qualities, along with its glossy, evergreen leaves and waxy, trumpet-shaped flowers, have made it a mainstay of the suburban landscape in the Southeast. The flowers, leaves, and roots are poisonous and may be lethal to livestock. Rankins Yellow Jessamine, also known as Swamp Jessamine (G. rankinii), with odorless flowers, occurs in swamps from North Carolina to Florida.
Plant CharacteristicsDuration: Perennial Habit: Vine Root Type: Tap Leaf Retention: Evergreen Leaf Complexity: Simple Leaf Shape: Lanceolate Leaf Venation: Pinnate Leaf Pubescence: Glabrous Leaf Margin: Entire Leaf Apex: Acute Leaf Texture:
Waxy Size Notes:
Flowers 1 to 1.5 inches long
Brown Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jan , Feb , Mar , Apr , May , Dec
Bloom Notes: Usually blooms briefly in early spring, but can start as early as December and then bloom again briefly in early fall.
, VA Native Distribution:
S.e.VA to FL,
w. to AR
south to Guatemala, Zones 7 to 8 Native Habitat:
Dry to wet thickets, woods, fence rows or hammocks
Growing ConditionsWater Use: Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8) , Circumneutral (pH 6.8-7.2)
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Moist, well-drained, humus-rich soil. pH adaptable. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay.
Conditions Comments: The best flowering occurs in full sun.
An aromatic, showy evergreen vine
with ornamental blooms and glossy leaves. Can trail along the ground to form a carpet, climb to create a screen, cover walls, columns, and arbors, and twine on fences & other plants. Use Wildlife:
Flowers attract hummingbirds and Spicebush Swallowtail Butterflies. Warning:
The flowers, leaves, and roots are poisonous and may be lethal to livestock. Conspicuous Flowers:
Butterflies , Hummingbirds Nectar Source:
PropagationPropagation Material: Hardwood Cuttings , Seeds , Semi-hardwood Cuttings
Seed Collection: Seeds mature in October and November. Collect the ripe, brownish capsules if the seeds within are brown. Allow the capsules to air-dry a few days, then break open to remove the seeds. Store in a sealed, refrigerated container.
Commercially Avail: yes
Maintenance: Conventional care for the residential landscape: Prune in early spring to maintain shape. Prevent complete soil dryness. Maintain mulch layer. Fertilize 2 to 3 times during the growing season with rose food. Train with elastic stretch ties.
Mr. Smarty Plants says
Is Star Jasmine (Trachelospermum jasminoides) deer resistant
May 13, 2008
I visited a building in Austin, Texas today that had Star Jasmine out front. The man I was visiting said it is also called Confederate Jasmine. It smelled divine! I am wondering if it is deer resis...
view the full question and answer
National Wetland Indicator Status
|Status:|| FAC || FAC || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2013-09-08
Research By: TWC Staff, GDG