Easter cassia (Bignonia aequinoctialis)

Photo: Alexis López HernándezCC BY 4.0via iNaturalistresized / cropped

Easter cassia Plant Care

Bignonia aequinoctialis L.

Updated · Sources · How we source care data

This plant's most distinctive visual feature is its vibrant trumpet-shaped orange flowers that attract pollinators from afar. Originating from South America, Bignonia aequinoctialis is sought after by plant collectors for its unique blooms and ability to climb and cover trellises or walls, adding a tropical touch to any garden.

🌳Trees🌿Shrubs🍃Climbers & Vines
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

50–80%

At a glance

How do you care for Easter cassia?

Water Easter cassia every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 65–85°F (18–29°C) and 50–80% humidity. Fertilize it every 2 months during the growing season.

What Is the Easter cassia?

Easter cassia (Bignonia aequinoctialis) belongs to the Bignoniaceae family within the Bignonia genus. Easter cassia is native to Brazil, Argentina. Easter cassia is also known as Equinox vine.

Easter cassia displays a vining, climbing shrub growth habit, reaching up to 15 ft tall with a spread of approximately 6 ft. Easter cassia produces showy trumpet-shaped flowers in various colors.

Leaf size: approximately 5 inches.

How Often Should You Water a Easter cassia?

Bignonia aequinoctialis requires watering every 7–10 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 7–10 days

Let soil partially dry between waterings

What Light Does the Easter cassia Need?

Easter cassia thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Easter cassia Prefer?

Bignonia aequinoctialis grows best at temperatures of 65–85°F. Easter cassia prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–80%

What Soil Mix Works Best for a Easter cassia?

Well-draining, fertile soil with added compost for nutrients. Good drainage is essential for Easter cassia to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Easter cassia?

Feed Easter cassia 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 Easter cassia?

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 Easter cassia?

Easter cassia can be propagated through softwood cuttings, layering, seeds. Similar propagation techniques also apply to argentine trumpetflower plant care, which shares the same genus.

Is the Easter cassia Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Easter cassia, 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 Easter cassia?

Easter cassia is susceptible to aphids, scale insects, spider mites. 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 Easter cassia Need?

Easter cassia grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Easter cassia is native to Brazil, Argentina. In cooler regions, grow Easter cassia as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9b – 11b

Keep exploring plants

Easter cassia 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 Bignonia genus — compare its care with other Bignonia species on PlantoScan.

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

Easter cassia 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: Bignonia aequinoctialis L., family Bignoniaceae (first published in Sp. Pl. : 623 (1753)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Easter cassia, 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.
  • Photo: Alexis López Hernández, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 9b – 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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