trefle.io · Taken Apr 19, 2022 by Catherine Davidson (cc-by-sa)
Gelsemiaceae
Rankin's trumpetflower
Gelsemium rankinii
Also known as Bignonia, Gelsemium sempervirens var. inodorum, Trumpet vine, Trumpet creeper
Zones 5–9Sun Partial SunWater ModerateCare Moderate
Native Plants · Trumpetflower · Rankin · Native · Vine · Fragrant · Climbing · Southeastern · Flowers
Pet-safeAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
This southeastern native produces fragrant trumpet-shaped flowers and prefers well-draining soil. Provide support for vigorous climbing growth and prune after flowering to maintain size. Hardy and relatively low-maintenance once established.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply but allow soil to dry between waterings · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -10°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
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Form & growth
Mature size and habit
- Mature height
- 10 ft – 20 ft
- Spread
- 10 ft
- Spacing
- 60 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina
- Attracts
- Butterflies, Hummingbirds
Sources: trefle
Buy this plant
No nurseries currently list it
No nursery lists Rankin's trumpetflower right now.