EVERGREEN

Plant Encyclopedia

Campsis radicans

Campsis radicans (trumpet vine, "Amerikanozenkazura")

Japanese name: アメリカノウゼンカズラ
Scientific name: Campsis radicans

Campsis radicans

[Overview]
A deciduous woody climber whose vines grow over 10 m long.
It produces many aerial roots and climbs by clinging to walls and trees.
Leaves are opposite, odd-pinnately compound, 20–40 cm long, with 7–11 leaflets.
The leaflets are ovate, 2.5–10 cm long, with coarse teeth.
The undersides of the leaves are hairy.
Cymes at the tips of new branches bear 4–12 flowers.
The flowers are reddish orange and funnel-shaped with a long tube, 7–9 cm long; the tip is 5-lobed, and the lobes are rounded.
The calyx is the same reddish orange as the flower, shallowly 5-lobed, with short lobes.
The fruit is a capsule, and the seeds are winged.

[Cultivation]
Propagate by cuttings.
It prefers sunny, well-drained soil.
It is hardy and easy to grow.
Once established, rainfall is sufficient for watering.
Apply slow-release fertilizer around the plant as fertilizer in winter.
There are no particular pests or diseases.

Details

Names
English: trumpet vine, trumpet creeper, cow itch vine, hummingbird vine
Japanese: アメリカノウゼンカズラ、コノウゼン
Life form
Woody climber
Evergreen / deciduous
Deciduous
Leaf type
Broadleaf
Habit
Terrestrial
Planting (or sowing) season
March, April
Flowering season
July, August
Distribution or origin
Southeastern North America
Growth form
Climbing
Leaf shape
Odd-pinnate compound leaf
Leaf arrangement
Opposite
Leaf margin
Serrate
Inflorescence
Cyme
Flower color
Red, Orange
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Cuttings
Sun exposure
Full sun
Water needs
Moderate
Soil needs
Required
Tolerance
Heat tolerance
Suitable uses
Parks and gardens, Wall greening
Japan Flower Trade Code
28098

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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