Trumpet vine Plant Care

Amphilophium blanchetii Bureau & K.Schum.

Updated · Sources · How we source care data

This stunning plant is characterized by its large, heart-shaped leaves with striking purple undersides. Originating from the tropical rainforests of Central and South America, Amphilophium blanchetii is highly sought after by plant collectors for its unique foliage and ability to climb and trail, making it a beautiful addition to any indoor jungle.

🌳Trees🌿Shrubs🍃Climbers & Vines
Water

Every 7–14 days

Light

Bright indirect light

Temp

65–80°F

Humidity

60–80%

At a glance

How do you care for Trumpet vine?

Water Trumpet vine every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.

What Is the Trumpet vine?

Trumpet vine (Amphilophium blanchetii) belongs to the Bignoniaceae family within the Amphilophium genus. Trumpet vine is native to Central America, South Americaheight: 6.5width: 3fertilizer: 2wateringMin: 7wateringMax: 14humidityMin: 60humidityMax: 80temperatureMin: 65temperatureMax: 80. Trumpet vine is also known as Vine.

Trumpet vine displays a climbing vine growth habit, reaching up to 6 ft tall with a spread of approximately 3 ft. Trumpet vine produces tubular flowers in shades of pink, purple, or white.

Leaf size: approximately 10 inches.

How Often Should You Water a Trumpet vine?

Amphilophium blanchetii 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 Trumpet vine Need?

Trumpet vine thrives in bright indirect light. Avoid placing Trumpet vine in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Trumpet vine Prefer?

Amphilophium blanchetii grows best at temperatures of 65–80°F. Trumpet vine prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

60–80%

What Soil Mix Works Best for a Trumpet vine?

Well-draining loamy soil mix with added perlite for improved drainage. Good drainage is essential for Trumpet vine to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Trumpet vine?

Feed Trumpet vine every 2 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 2 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 Trumpet vine?

Repot every 1-2 years in 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 Trumpet vine?

Trumpet vine can be propagated through softwood cuttings, air layering. Similar propagation techniques also apply to crossvine plant care, which shares the same genus.

Is the Trumpet vine Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list 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 Trumpet vine?

Trumpet vine is susceptible to spider mites, scale insects, whiteflies. 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 Trumpet vine Need?

Trumpet vine grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Trumpet vine is native to Central America, South Americaheight: 6.5width: 3fertilizer: 2wateringMin: 7wateringMax: 14humidityMin: 60humidityMax: 80temperatureMin: 65temperatureMax: 80. In cooler regions, grow Trumpet vine as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 10a – 11b

Keep exploring plants

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 Amphilophium genus — compare its care with other Amphilophium species on PlantoScan.

Amphilophium is part of the Bignoniaceae plant family — browse all Bignoniaceae genera and species.

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: Amphilophium blanchetii Bureau & K.Schum., family Bignoniaceae (first published in Fl. Bras. 8(2): 210 (1896)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list 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 10a – 11b, estimated from the plant's typical growing conditions.
  • 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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