Honduras Mahogany (Swietenia macrophylla)

Honduras Mahogany

Swietenia macrophylla

Its rich wood and canopy bring timeless tropical elegance. Large evergreen canopy tree.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun for mature tree growth; young saplings tolerate partial shade to prevent leaf scorch
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Watering Water deeply and infrequently, allowing the top 15–20 cm of soil to dry completely between waterings
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Temperature Thrives in warm tropical to subtropical climates; cannot tolerate frost below 10°C, which causes leaf damage and dieback
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Characteristics

  • Leaf: Pinnately compound, 30–60 cm long; 6–14 oblong, glossy dark green leaflets with pointed tips
  • Flower: Small, creamy-white, fragrant panicles clustered at upper branch tips
  • Stem/Bark: Mature bark is gray-brown and fissured; young stems are smooth, greenish-brown
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Maintain consistent soil moisture during active growth periods to support canopy expansion

Fertilization

Apply a balanced slow-release fertilizer once at the start of the growing season. Avoid high-nitrogen fertilizers, which can promote excessive leaf growth at the expense of wood development

Composted banana peel tea:Soak fully composted banana peels in water for 3 days, dilute the mixture 1:20 with water, and apply as a root drench; discard solid peels to avoid attracting pests or causing soil odor
Pruning
  • Remove dead, diseased, or crossing branches in late winter to improve canopy airflow and structure
  • Thin crowded upper branches to allow light penetration to inner foliage and promote uniform growth
  • Trim lower branches of young saplings to encourage upright trunk development and clear canopy space
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Pet & Human Toxicity & Emergency Guide

⚠️ Toxic to Pets (Cats & Dogs)

Toxicity Warning: Veterinary toxicology registers Honduras Mahogany (Swietenia macrophylla) as possessing biochemical compounds (such as insoluble oxalates, alkaloids, or saponins) that pose ingestion hazards to felines and canines.

Feline Ingestion Risks (Cats)

Oral pain, hypersalivation (excessive drooling), pawing at mouth, swelling of tongue or lips, vocalization, and vomiting.

Canine Ingestion Risks (Dogs)

Oral mucosal irritation, gagging, retching, lack of appetite, lethargy, diarrhea, and difficulty swallowing.

Immediate Emergency First-Aid

Do NOT induce vomiting without veterinary instructions! Carefully remove remaining plant pieces, gently rinse mouth with cool water, and monitor breathing.

🚨 Pet Ingestion Emergency? Instant Plant & Toxicity Scan

Chewed leaf or stem? Open PlantFun App to scan the plant, immediately verify the botanical species, and view ASPCA toxicity severity ratings & vet first-aid advice.

Emergency Plant Scan
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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Honduras Mahogany (Swietenia macrophylla):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

🌿 Instant AI Plant Health Check

Take a photo of any leaf on PlantFun App to get instant diagnosis of diseases, pests, and custom care recovery steps.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Honduras Mahogany?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Honduras Mahogany?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Honduras Mahogany toxic to pets?

ASPCA confirms no toxicity to cats

When should I repot my Honduras Mahogany?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: Valued for its durable, fine-grained wood; symbolizes strength, longevity, and craftsmanship in many tropical cultures

Usage: Premium timber for high-end furniture, cabinetry, and musical instruments; ornamental shade tree in large landscapes

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