
Image: AI generated
Giant Granadilla Plant Care
Passiflora quadrangularis L.
Updated · Sources · How we source care data
This plant's large, deeply lobed leaves and unique square stems set it apart from others. Native to South America, Passiflora quadrangularis is a prized addition to any plant collector's garden due to its striking appearance and large, fragrant flowers.
Every 7–10 days
Full Sun
65–85°F
50–80%
At a glance
How do you care for Giant Granadilla?
Water Giant Granadilla every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 65–85°F (18–29°C) and 50–80% humidity. Fertilize it every month during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Giant Granadilla Native To?
- Antigua and Barbuda
- Aruba
- Bahamas
- Barbados
- Belize
- Bolivia
- Brazil
- Cayman Islands
- Colombia
- Costa Rica
- Cuba
- Curaçao
- Dominica
- Dominican Republic
- Ecuador
- El Salvador
- French Guiana
- Grenada
- Guadeloupe
- Guatemala
- Guyana
- Haiti
- Honduras
- Jamaica
- Martinique
- Mexico
- Nicaragua
- Panama
- Paraguay
- Peru
- Puerto Rico
- Saint Kitts and Nevis
- Saint Lucia
- Saint Vincent and the Grenadines
- Suriname
- Trinidad and Tobago
- Turks and Caicos Islands
- Venezuela
- Virgin Islands, British
- Virgin Islands, U.S.
What Is the Giant Granadilla?
Giant Granadilla (Passiflora quadrangularis) belongs to the Passifloraceae family within the Passiflora genus. Giant Granadilla is native to Tropical America. Giant Granadilla is also known as Barbadine, Badea.
Giant Granadilla displays a climbing vine growth habit, reaching up to 30 ft tall with a spread of approximately 15 ft. Giant Granadilla produces showy, fragant, red and purple.
Leaf size: approximately 6 inches.
How Often Should You Water a Giant Granadilla?
Passiflora quadrangularis 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 Giant Granadilla Need?
Giant Granadilla thrives in full sun.
Light Requirement
Full Sun
What Temperature and Humidity Does the Giant Granadilla Prefer?
Passiflora quadrangularis grows best at temperatures of 65–85°F. Giant Granadilla 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 Giant Granadilla?
Well-draining soil mix. Good drainage is essential for Giant Granadilla to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Giant Granadilla?
Feed Giant Granadilla every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Giant Granadilla?
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 Giant Granadilla?
Giant Granadilla can be propagated through stem cuttings or seeds. Similar propagation techniques also apply to blue passion flower plant care, which shares the same genus.
Is the Giant Granadilla Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Toxic
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 Giant Granadilla?
Giant Granadilla is susceptible to aphids, spider mites, caterpillars. 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 Giant Granadilla Need?
Giant Granadilla grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Giant Granadilla is native to Tropical America. In cooler regions, grow Giant Granadilla as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 11b
Keep exploring plants
Giant Granadilla 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 Passiflora genus — compare its care with other Passiflora species on PlantoScan.
Passiflora is part of the Passifloraceae plant family — browse all Passifloraceae genera and species.
Giant Granadilla 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: Passiflora quadrangularis L., family Passifloraceae (first published in Syst. Nat. ed. 10 , 2: 1248 (1759)) — World Flora Online record, IPNI name record.
- Pet toxicity: Giant Granadilla is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: AI-generated illustration (labelled on the image).
- 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.
