Image: AI generated
Spanish Flag Plant Care
Ipomoea lobata Thell.
Updated · Sources · How we source care data
Native to Mexico and Central America, this plant features striking cascading clusters of tubular red and orange flowers that change color as they age, creating a stunning ombré effect. Its unique foliage, known for its heart-shaped leaves, makes it a highly sought-after addition to any garden or collection.
Every 3–7 days
Full sun to partial shade
65–80°F
50–70%
At a glance
How do you care for Spanish Flag?
Water Spanish Flag 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 65–80°F (18–27°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.
What Is the Spanish Flag?
Spanish Flag (Ipomoea lobata) belongs to the Convolvulaceae family within the Ipomoea genus. Spanish Flag is native to Mexico and Brazil. Spanish Flag is also known as Firecracker Vine, Clock Vine, Exotic Morning Glory.
Spanish Flag displays a vining, trailing growth habit, reaching up to 10 ft tall with a spread of approximately 3 ft. Spanish Flag produces showy trumpet-shaped flowers in various colors.
Leaf size: approximately 4 inches.
How Often Should You Water a Spanish Flag?
Ipomoea lobata 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 Spanish Flag Need?
Spanish Flag thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Spanish Flag Prefer?
Ipomoea lobata grows best at temperatures of 65–80°F. Spanish Flag prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Spanish Flag?
Well-draining, fertile soil with added compost or organic matter. Good drainage is essential for Spanish Flag to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spanish Flag?
Feed Spanish Flag 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 Spanish Flag?
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 Spanish Flag?
Spanish Flag can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to sweet potato vine plant care, which shares the same genus.
Is the Spanish Flag Toxic to Pets and Children?
Toxic to cats and dogs
Source: ASPCA Animal Poison Control Center plant list, which covers Ipomoea species (which includes Spanish Flag). View the ASPCA entry
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 Spanish Flag?
Spanish Flag 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 Spanish Flag Need?
Spanish Flag grows outdoors in USDA Zone 9a – 11b. It survives winters down to planting zone 9a. Spanish Flag is native to Mexico and Brazil. In cooler regions, grow Spanish Flag as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 11b
Keep exploring plants
Spanish Flag 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.
Spanish Flag thrives in bright light and direct sun — see other bright-light plants.
More Ipomoea Species
Other Ipomoea species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Ipomoea lobata Thell., family Convolvulaceae (first published in Vierteljahrsschr. Naturf. Ges. Zürich lxiv. 775 (1919).) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: The ASPCA lists Ipomoea species (which includes Spanish Flag) as toxic to cats and dogs. Source: ASPCA Toxic and Non-Toxic Plant List.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 9a – 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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