Swamp jessamine (Gelsemium rankinii)

Common names:
Give a thumbs up Swamp jessamine
Give a thumbs up Rankin's trumpetflower
Give a thumbs up Rankin's Jessamine

General Plant Information (Edit)
Plant Habit: Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 7a -17.8 °C (0 °F) to -15 °C (5 °F)
Maximum recommended zone: Zone 9b
Plant Height: 10 to 20 feet
Plant Spread: 6 to 12 feet
Leaves: Evergreen
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Late winter or early spring
Late spring or early summer
Underground structures: Taproot
Suitable Locations: Espalier
Uses: Groundcover
Resistances: Deer Resistant
Humidity tolerant
Toxicity: Other: All parts of the plant contain highly toxic alkaloids.
Propagation: Other methods: Cuttings: Stem
Containers: Needs excellent drainage in pots

photo credit: Jason Hollinger

Photo gallery:

Discussion Threads about this plant
Thread Title Last Reply Replies
Need help IDing this vine. by Coralmyst Dec 16, 2015 9:53 AM 9

« Add a new plant to the database

« The Plants Database Front Page

Today's site banner is by dirtdorphins and is called "roses"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.