Not the plant you're looking for? Search over 300,000 plants

Climber Wall Shrub

Gelsemium sempervirens

evening trumpet flower

An evergreen perennial to 4m, with slender twining stems bearing glossy ovate leaves and small clusters of funnel-shaped, fragrant, pale or deep yellow flowers 3cm in length, marked with orange in throat

Other common names

Carolina jasmine
Carolina yellow jasmine
see morefalse jasmine
yellow jessamine

Save to My plants

Buy this plant

Plant nurseries
8 suppliers

Ultimate height

2.5–4 metres

Time to ultimate height

5–10 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Gelsemiaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Climbing
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling Pets (poultry): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Gelsemium are twining evergreen perennials with simple, paired leaves and fragrant, funnel-shaped flowers that maybe solitary or in small clusters in spring and summer
Name status: Correct
Plant range: C Americas

How to grow

Cultivation

Grow under glass in a peat-free, loam-based potting compost in full or bright filtered light with shade from hot sun. Water freely when in growth applying a balanced liquid fertiliser monthly. Water sparingly in winter. Can be grown outdoors in milder areas in most moderately fertile soils but will require protection from cold drying winds

Propagation

Propagate by seed sown at 13 to 18°C in spring or take semi-hardwood cuttings with bottom heat in summer

Suggested planting locations and garden types

Mediterranean climate plants
City and courtyard gardens
Patio and container plants
Wall side borders

Pruning

Pruning group 12, after flowering

Pests

May be susceptible to glasshouse whitefly

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.