Heavenly Blue Morning Glory (Ipomoea tricolor)

Photo: José Belem Hernández DíazCC BY 4.0via iNaturalistresized / cropped

Heavenly Blue Morning Glory Plant Care

Ipomoea tricolor Cav.

Updated · Sources · How we source care data

With its heart-shaped leaves and vibrant purple, blue, and white colors, this plant originates from Mexico and Central America. Plant collectors are drawn to Ipomoea tricolor for its stunning, showy flowers and ability to attract pollinators to the garden.

🌻Annuals🍃Climbers & Vines
Water

Every 3–7 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

50–70%

At a glance

How do you care for Heavenly Blue Morning Glory?

Water Heavenly Blue Morning Glory every 3–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 50–70% humidity. Fertilize it every 2 months during the growing season. The ASPCA lists it as toxic to cats and dogs, so keep it out of reach of pets.

Where Is the Heavenly Blue Morning Glory Native To?

Native range23 countries

What Is the Heavenly Blue Morning Glory?

Heavenly Blue Morning Glory (Ipomoea tricolor) belongs to the Convolvulaceae family within the Ipomoea genus. Heavenly Blue Morning Glory is native to the tropics of the Americas, and widely cultivated and naturalised else. Heavenly Blue Morning Glory is also known as Morning Glory, Common Morning Glory, Imperial Morning Glory.

Heavenly Blue Morning Glory displays a vining, trailing growth habit, reaching up to 10 ft tall with a spread of approximately 3 ft. Heavenly Blue Morning Glory produces showy trumpet-shaped flowers in various colors.

How Often Should You Water a Heavenly Blue Morning Glory?

Ipomoea tricolor requires watering every 3–7 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 3–7 days

Let soil partially dry between waterings

What Light Does the Heavenly Blue Morning Glory Need?

Heavenly Blue Morning Glory thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Heavenly Blue Morning Glory Prefer?

Ipomoea tricolor grows best at temperatures of 60–80°F. Heavenly Blue Morning Glory prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–80°F

Humidity

50–70%

What Soil Mix Works Best for a Heavenly Blue Morning Glory?

Well-draining, fertile soil with added compost or organic matter. Good drainage is essential for Heavenly Blue Morning Glory to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Heavenly Blue Morning Glory?

Feed Heavenly Blue Morning Glory 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 Heavenly Blue Morning Glory?

Repot annually 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 Heavenly Blue Morning Glory?

Heavenly Blue Morning Glory can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to spanish flag plant care, which shares the same genus.

Is the Heavenly Blue Morning Glory Toxic to Pets and Children?

Toxic to cats and dogs

Source: ASPCA Animal Poison Control Center plant list, which covers Ipomoea species (which includes Heavenly Blue Morning Glory). View the ASPCA entry

Toxic to humans and pets if ingested

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 Heavenly Blue Morning Glory?

Heavenly Blue Morning Glory is susceptible to aphids, spider mites, 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 Heavenly Blue Morning Glory Need?

Heavenly Blue Morning Glory grows outdoors in USDA Zone 9b – 13b. It survives winters down to planting zone 9b. Heavenly Blue Morning Glory is native to the tropics of the Americas, and widely cultivated and naturalised else. In cooler regions, grow Heavenly Blue Morning Glory as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9b – 13b

Keep exploring plants

Heavenly Blue Morning Glory 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 Ipomoea genus — compare its care with other Ipomoea species on PlantoScan.

Ipomoea is part of the Convolvulaceae plant family — browse all Convolvulaceae genera and species.

Heavenly Blue Morning Glory 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: Ipomoea tricolor Cav., family Convolvulaceae (first published in Icon. 3: 5 (1795)) — World Flora Online record, IPNI name record, Wikidata.
  • Pet toxicity: The ASPCA lists Ipomoea species (which includes Heavenly Blue Morning Glory) as toxic to cats and dogs. Source: ASPCA Toxic and Non-Toxic Plant List.
  • Photo: José Belem Hernández Díaz, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 9b – 13b, 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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