Chinese Trumpet Vine Plant Care
Campsis grandiflora K.Schum.
Updated · Sources · How we source care data
Campsis grandiflora, commonly known as the Chinese trumpet vine, is a fast-growing, deciduous creeper with large, orange, trumpet-shaped flowers in summer. It can grow to a height of 10 meters.
Every 7–14 days
Full sun to partial shade
50–90°F
40–70%
At a glance
How do you care for Chinese Trumpet Vine?
Water Chinese Trumpet Vine every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–90°F (10–32°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Chinese Trumpet Vine?
Chinese Trumpet Vine (Campsis grandiflora) belongs to the Bignoniaceae family within the Campsis genus. Chinese Trumpet Vine is also known as Japanese Trumpet Vine.
Chinese Trumpet Vine displays a vigorous climbing vine growth habit, reaching up to 30 ft tall with a spread of approximately 10 ft. Chinese Trumpet Vine produces showy trumpet-shaped flowers in shades of red, orange, or yellow.
Leaf size: approximately 6 inches.
How Often Should You Water a Chinese Trumpet Vine?
Campsis grandiflora requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Chinese Trumpet Vine Need?
Chinese Trumpet Vine thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Chinese Trumpet Vine Prefer?
Campsis grandiflora grows best at temperatures of 50–90°F. Chinese Trumpet Vine prefers humidity levels of 40–70%.
Temperature
50–90°F
Humidity
40–70%
What Soil Mix Works Best for a Chinese Trumpet Vine?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Chinese Trumpet Vine to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Chinese Trumpet Vine?
Feed Chinese Trumpet Vine every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Chinese Trumpet Vine?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Chinese Trumpet Vine?
Chinese Trumpet Vine can be propagated through softwood cuttings, layering. Similar propagation techniques also apply to trumpet vine plant care, which shares the same genus.
Is the Chinese Trumpet Vine Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Chinese Trumpet Vine, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Chinese Trumpet Vine?
Chinese Trumpet Vine is susceptible to aphids, caterpillars, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Chinese Trumpet Vine Need?
Chinese Trumpet Vine grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Chinese Trumpet Vine as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Chinese Trumpet Vine is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Campsis genus — compare its care with other Campsis species on PlantoScan.
Campsis is part of the Bignoniaceae plant family — browse all Bignoniaceae genera and species.
Chinese Trumpet Vine thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Campsis grandiflora K.Schum., family Bignoniaceae (first published in Nat. Pflanzenfam. 4(3b): 230 (1894)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Chinese Trumpet Vine, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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