West Indian Elm
guazuma ulmifolia
Also known as: ["West Indian Elm","Jamaica Plum","Cocuza"]
Overview
A deciduous tree native to tropical regions of the Americas, known for its hardy nature and small, edible fruits.
Benefits & Perks
["edible fruits","wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Guazuma |
| Botanical Name: | Guazuma ulmifolia |
Plant Characteristics
Basic Information
- Category: Trees
- Suitable Location: outdoor garden in warm climates, or large container in cooler regions
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°C"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter for fertility.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: high
- Pruning Frequency: Annually in late winter or early spring before new growth begins.
- Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh midday sun; adjust placement based on seasonal light changes.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun to partial shade
Rotate plant for even light exposure; use shade cloth in extreme heat; avoid direct sun on leaves during peak hours.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly until it drains from the bottom; allow soil to dry between waterings; avoid overwatering.
Soil
well-draining, loamy soil with moderate organic content
pH: Slightly acidic to neutral, pH 6.0–7.0.
Use a mix of potting soil and perlite; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers warm temperatures, 65–85°F (18–29°C); tolerates brief dips to 50°F (10°C) but thrives in heat.
Protect from frost, ensure good air circulation, and adjust watering for temperature extremes.
Fertilizing
every 4–6 weeks during growing season
Fertilize in spring/summer only; flush soil occasionally to prevent salt buildup; use organic options for slow release.
Propagation
Methods
Stem cuttings or seeds; stem cuttings are more reliable for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting, remove lower leaves, apply rooting hormone, plant in medium, maintain humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light and consistent moisture.
Medium
Well-draining mix of perlite and peat moss or cactus mix.
Hormone
Rooting hormone is recommended to improve success rates.
Timeline
Roots develop in 4–6 weeks; new growth appears in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, plastic wrap, misting bottle.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Selective thinning and heading back to maintain form and promote airflow.
Pruning Plan
Shape the plant, encourage bushier growth, and remove dead or diseased branches.
Tools
Pruning shears, loppers, gloves, disinfectant.
Checklist
Disinfect tools, prune dead/damaged wood, shape the plant, clean up debris.
Repotting Guide
Best Season
Spring, when the plant is entering its active growth phase.
Pot Size
Increase pot size by 2–3 inches in diameter; ensure good drainage.
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
Choose right pot, prepare new soil, inspect roots, water after repotting, place in appropriate light.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture, water deeply, ensure drainage, adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; water early in the morning to minimize evaporation; ensure excess water drains away.
Watering Schedule Tips
Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure aeration with organic matter.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves, leaf drop, stunted growth, or wilting in extreme heat or cold.
Cold Stress
Slows growth, causes leaf drop, and may lead to frost damage in prolonged cold.
Solution: Move to a sheltered location, provide frost protection, and reduce watering in cold periods.
Hot Stress
Wilting, leaf scorch, or reduced flowering due to excessive heat and dryness.
Solution: Provide shade, increase humidity, water deeply, and avoid fertilizing during heatwaves.
Fertilizing Guide
Fertilizing Checklist
Check season, dilute correctly, apply to soil, avoid foliage contact, flush periodically.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats may experience mild gastrointestinal irritation if they ingest parts of Guazuma ulmifolia, particularly the seeds and bark. The toxic compounds can cause digestive upset, though severe reactions are rare.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicIn dogs, ingestion of Guazuma ulmifolia seeds and bark can lead to mild gastrointestinal upset due to the presence of saponins and other irritants. The effects are generally not life-threatening but can cause discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicGuazuma ulmifolia contains compounds that can cause mild gastrointestinal distress when ingested. The seeds and bark are the primary toxic parts, containing saponins and other secondary metabolites that may irritate the digestive tract.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Guazuma ulmifolia suitable for drought-prone areas?
A: Yes, it is highly drought-tolerant and thrives in arid conditions.
Q: Are the fruits of Guazuma ulmifolia edible?
A: Yes, the small fruits are edible and often used in local cuisines.
Q: Does Guazuma ulmifolia attract wildlife?
A: Yes, it attracts bees, butterflies, and birds due to its flowers and fruits.
Quick Reference
| Family: | Malvaceae |
| Care: | moderate |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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