Pelican Flower (Aristolochia grandiflora)

Grandiflora

About this plant

Aristolochia grandiflora, commonly called the Pelican Flower, is a large tropical vine known for its enormous, uniquely shaped flowers that resemble a pelican's beak. The flowers are striking and unusual, often attracting pollinators like flies. This plant is often grown for its dramatic ornamental flowers and lush foliage. It can cover trellises or fences, adding a tropical feel to gardens.

Taxonomy

Family
Aristolochiaceae
Genus
Aristolochia
Plant type
Vine
Lifespan
Perennial

Higher classification: Magnoliids

Origin & Distribution

Native region
Central America, Caribbean
Distribution
Native to Central America and the Caribbean; cultivated in tropical and subtropical regions worldwide.

Care

Partial shade Light
3–7 days Watering
10–35 °C Temperature
High Humidity
Medium Care difficulty
Suitable locations
Outdoor, Greenhouse, Balcony
Preferred window facing
East-facing, Southeast-facing, South-facing
USDA hardiness zones
9-11
Soil pH
6.0-7.5
Soil type
well-draining loam, rich in organic matter

Watering. Keep the soil consistently moist but not soggy. Water more frequently during hot, dry weather and reduce watering in cooler months.

Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season to support vigorous growth and flowering.

Aristolochia grandiflora is a fast-growing vine that prefers partial shade and well-draining soil. It needs regular watering but should not be waterlogged. It can tolerate some neglect but may suffer if kept too dry or in full sun. Pruning helps control its size and encourages healthy growth.

Propagation

Propagation methods
Cuttings, Seeds

Ornamental features

Flowering
Yes
Flowering period
summer

Large, dramatic, pelican-shaped flowers and large heart-shaped leaves.

Toxicity & Safety

Toxic to humansToxic
Toxic to petsToxic
Weed potentialLow spread

All parts of the plant are toxic if ingested and can cause skin irritation. Keep away from children and pets.

Allergy information

Low Allergy risk
Low Pollen level

Aristolochia grandiflora may cause allergic reactions in some people, especially from skin contact with its sap. If you have sensitive skin or allergies, avoid touching the plant directly. Wearing gloves can help reduce exposure.

Common problems

Overwatering can cause root rot, while too much direct sun may scorch the leaves. Pests like aphids or spider mites can occasionally appear. Lack of support may cause the vine to sprawl uncontrollably.

Uses

Primarily grown as an ornamental plant for its unique and large flowers and lush foliage. It can be used to cover fences or trellises in warm climates.

Notes

Provide a sturdy support for the vine to climb. Prune after flowering to maintain shape and encourage new growth. Avoid planting near areas where pets or children play due to toxicity.

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