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
Semi-evergreen
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Late winter or early spring
Spring
Late spring or early summer
Fall
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

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