Swallowtail

aristolochia grandiflora

Also known as: ["Pelican Flower","Swallowtail Vine"]

Family: Aristolochiaceae Genus: Aristolochia Category: Flowers

Overview

A tropical vine known for its large, unusual flowers resembling pelicans or butterflies, native to Central and South America.

Benefits & Perks

["aesthetic foliage","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Aristolochiales
Family: Aristolochiaceae
Genus: Aristolochia
Botanical Name: Aristolochia grandiflora

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: indoor pot in a bright, humid room or shaded outdoor area
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: moderate
Environmental Needs
  • Climate: {"temperatureRange":"15–30°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: every 2–3 days to maintain moderate humidity
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, slightly acidic soil with organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: Annually in late winter or early spring; light pruning can be done as needed.
  • Pruning Intensity: Moderate; remove up to one-third of growth if necessary.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; can tolerate some direct morning sun but avoid harsh afternoon sun.

Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense sun to prevent leaf scorch; adjust placement based on indoor/outdoor conditions.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil or drainage issues.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

partial shade to filtered light

Rotate plant for even growth; use sheer curtains to filter harsh light; monitor for signs of sunburn.

Watering

every 7–10 days, allowing soil to dry slightly between waterings

Water deeply to encourage root growth; allow soil to dry between waterings; avoid overwatering.

Soil

well-draining, organic-rich potting mix

pH: 5.5–6.5 (slightly acidic).

Use a mix of cactus soil and peat; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Prefers 65–85°F (18–29°C); tolerates slight fluctuations but avoid prolonged exposure to extremes.

Avoid sudden temperature changes; protect from drafts; maintain consistent warmth during active growth.

Fertilizing

every 4–6 weeks during active growth with balanced liquid fertilizer

Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; avoid overfertilizing.

Propagation

Methods

Stem cuttings in spring or early summer.

Step-by-Step Propagation Guide
  1. Take a healthy cutting.
  2. Apply rooting hormone.
  3. Plant in medium.
  4. Maintain humidity.
  5. Wait for roots.

Best Time: Spring or early summer when the plant is actively growing.

Environment

High humidity (70–90%), warm temperatures (70–75°F), and indirect light.

Medium

Well-draining mix of peat, perlite, and sand.

Hormone

Recommended to promote root development.

Timeline

Roots may develop in 4–8 weeks; establish in new pot after 3–6 months.

Tools Needed

Pruning shears, rooting hormone, small pots, plastic bags or propagator.

Quick Tips

Use healthy, non-flowering stems; maintain consistent moisture; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Cut back stems just above a leaf node or bud; thin out crowded areas to improve air circulation.

Pruning Plan

Prune to control size, encourage bushier growth, and remove dead or diseased parts.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune during dormancy; remove dead/diseased parts; shape as desired.

Repotting Guide
Best Season

Spring, before the active growth period begins.

Pot Size

Increase pot size by 2–3 inches in diameter.

Method

Remove plant gently; trim roots if needed; place in new pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for growth and health.

Checklist

Check root bound status; prepare new pot with drainage; use fresh soil mix; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure proper drainage; adjust for season.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; water until it drains from the bottom; avoid wetting foliage to prevent fungal issues.

Pro Tip: Use room temperature water to avoid shocking the roots.
Watering Schedule Tips

Water thoroughly when the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.

Temperature Stress Management
Signs of Temperature Issues

Yellowing leaves, wilting, or stunted growth; bud drop or leaf drop in extreme conditions.

Cold Stress

Slows growth, causes leaf discoloration, and may lead to root damage if temperatures drop below 50°F (10°C).

Solution: Move to a warmer location; insulate pots; avoid cold drafts; use a space heater if necessary.

Hot Stress

Leaves may wilt, curl, or scorch; growth may slow; increased water demand to prevent dehydration.

Solution: Provide shade during peak heat; increase humidity; water more frequently; ensure good air circulation.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer correctly; apply to moist soil; avoid contact with leaves.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; reduce or stop in fall and winter.

Common Problems & Solutions

Yellowing leaves in Aristolochia grandiflora may indicate nutrient deficiencies, overwatering, or pest infestations, affecting the plant's photosynthetic efficiency and overall health.

Wilting in Aristolochia grandiflora can result from water stress, either due to under or overwatering, disrupting the plant's ability to maintain turgor pressure and leading to reduced vigor.

Leaf spots on Aristolochia grandiflora may be caused by fungal or bacterial infections, leading to reduced photosynthetic area and potential defoliation if left untreated.

Rotting, particularly root or stem rot, can occur in Aristolochia grandiflora due to excessive moisture or poor drainage, leading to decay of plant tissues and potential death of the plant.

Toxicity Warning

Cats
Toxic

Cats are also highly sensitive to aristolochic acids, which can induce severe kidney damage and carcinogenic effects. The toxins are rapidly absorbed, leading to systemic toxicity and potential long-term health risks.

⚠️ Symptoms:
vomiting lethargy anorexia dehydration polyuria polydipsia blood in urine
🌿 Toxic Parts:
roots stems leaves seeds
⚡ Toxic If:

if eaten

Ensure plants are inaccessible to cats. Immediate veterinary care is required if ingestion is suspected. Monitor for signs of kidney distress and provide supportive care as advised by a veterinarian.
Dogs
Toxic

Dogs are highly susceptible to aristolochic acid toxicity, which can cause acute kidney injury, chronic renal failure, and potential carcinogenesis. The toxins disrupt renal function and may lead to irreversible damage.

⚠️ Symptoms:
vomiting lethargy decreased appetite polyuria polydipsia weakness blood in urine
🌿 Toxic Parts:
roots stems leaves seeds
⚡ Toxic If:

if eaten

Keep plants out of reach of dogs. If ingestion is suspected, seek veterinary attention immediately. Do not induce vomiting without professional guidance.
Humans
Toxic

Aristolochia grandiflora contains aristolochic acids, which are nephrotoxic and carcinogenic. Ingestion can lead to severe kidney damage, aristolochic acid nephropathy, and an increased risk of urinary tract cancers. The toxins interfere with cellular DNA, causing long-term health complications.

⚠️ Symptoms:
nausea vomiting abdominal pain diarrhea kidney failure blood in urine
🌿 Toxic Parts:
roots stems leaves seeds
⚡ Toxic If:

if eaten

Avoid ingestion under any circumstances. Keep away from children and pets. Wear gloves when handling to prevent accidental ingestion or skin contact.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Aristolochia grandiflora toxic to pets?

A: Yes, it is toxic to dogs and cats.

Q: How do I care for Aristolochia grandiflora?

A: Provide partial shade, well-draining soil, and regular watering.

Q: Why are the leaves of my Aristolochia turning yellow?

A: Yellow leaves may indicate overwatering, poor drainage, or nutrient deficiency.

Quick Reference
Family: Aristolochiaceae
Care: moderate
Light: partial shade to filtered ligh
Water: every 7–10 days, allowing so
Suitable For: ["collectors/enthusiasts","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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