Simbang
dillenia suffruticosa
Also known as: ["Simbang","Sundari","Simbong"]
Overview
A large, evergreen shrub or small tree native to Southeast Asia, known for its large, leathery leaves and yellowish-white flowers.
Benefits & Perks
["aesthetic foliage","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Dilleniales |
| Family: | Dilleniaceae |
| Genus: | Dillenia |
| Botanical Name: | Dillenia suffruticosa |
Plant Characteristics
Basic Information
- Category: Shrubs
- Suitable Location: sheltered garden bed or large container in partial shade
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–35°C"}
- Hardiness: {"zones":"9–11"}
- Misting: every 2–3 days in dry conditions, otherwise rarely required
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, fertile soil with organic matter; a mix of loam, peat, and perlite works well.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring; light pruning can be done as needed throughout the year.
- Pruning Intensity: Moderate; remove up to one-third of the oldest stems to encourage new growth.
Care Details
Ideal Sunlight Coverage:
Bright, indirect sunlight for 6–8 hours daily; can tolerate partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate the plant gradually to intense sunlight to avoid leaf burn; protect from direct afternoon sun in hot regions; adjust light exposure based on seasonal changes.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full sun
Rotate the plant weekly for even growth; use sheer curtains to filter intense sunlight; avoid placing near windows with harsh direct light.
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 overhead watering to prevent fungal issues.
Soil
well-draining, loamy soil with organic matter
pH: Slightly acidic to neutral (pH 5.5–7.0).
Use a pot with drainage holes; avoid compacted soil; top-dress with compost annually.
Temperature
Prefers warm temperatures between 65–85°F (18–29°C); can tolerate brief periods of cooler temperatures but thrives in tropical conditions.
Monitor temperature fluctuations; protect from drafts; adjust watering based on temperature changes.
Fertilizing
every 4–6 weeks during growing season with balanced liquid fertilizer
Apply fertilizer to moist soil to prevent root burn; flush soil occasionally to prevent salt buildup; avoid over-fertilizing to prevent nutrient toxicity.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Select a healthy stem.
- Cut below a node.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Keep moist and warm.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture in the medium.
Medium
Well-draining potting mix with perlite or sand for cuttings; moist peat moss for division.
Hormone
Rooting hormone is recommended to improve success rates.
Timeline
Roots may develop in 4–8 weeks; new growth may appear in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium, plastic wrap or propagator.
Quick Tips
Use healthy, non-flowering stems for cuttings; maintain high humidity around cuttings; avoid direct sunlight during rooting.
Pruning & Repotting
Pruning Guide
Method
Selective pruning of older or overgrown branches; thin out crowded areas to improve air circulation.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts; focus on structural improvement and health.
Tools
Pruning shears, loppers (for thicker stems), gloves, disinfectant for tools.
Checklist
Disinfect tools before use; prune during dormancy; make clean cuts just above a node or branch junction; remove dead or crossing branches.
Repotting Guide
Best Season
Early spring before the growing season begins.
Pot Size
Choose a pot one size larger than the current one (e.g., +2–3 inches in diameter).
Method
Remove the plant gently; trim any circling roots; place in a new pot with fresh soil; water thoroughly after repotting.
Suggestions
Repot every 2–3 years or when the plant becomes root-bound; necessary to refresh soil and provide space for growth.
Checklist
Select appropriate pot size; prepare fresh soil mix; gently remove plant; inspect roots; prune if necessary; repot and water.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply at the base; ensure proper drainage; adjust frequency based on season and weather.
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 and fungal growth; ensure excess water drains away to prevent waterlogging.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost or well-rotted manure for fertility; ensure soil is loose and airy.
Temperature Stress Management
Signs of Temperature Issues
Yellowing leaves or leaf drop in cold stress; wilting or scorching of leaves in excessive heat.
Cold Stress
Low temperatures slow growth and can cause leaf damage or dieback; prolonged cold may lead to root rot.
Solution: Move the plant to a warmer location or indoors during cold spells; use a heat mat for potted plants in cold environments.
Hot Stress
Excessive heat can cause leaf scorch, wilting, and reduced flowering; may lead to dehydration if water needs are not met.
Solution: Provide shade during peak heat; increase watering frequency; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Check fertilizer type and dilution; apply during active growth; avoid fertilizing dormant plants; flush soil periodically.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during the growing season (spring and summer); reduce or stop fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicDillenia suffruticosa is not known to be toxic to cats. There are no documented adverse effects or physiological impacts when ingested by felines.
⚡ Toxic If:
if eaten
Dogs
Non-toxicDillenia suffruticosa is not known to be toxic to dogs. There are no documented adverse effects or physiological impacts when ingested by canines.
⚡ Toxic If:
if eaten
Humans
Non-toxicDillenia suffruticosa is generally considered non-toxic to humans. There are no known toxic effects or physiological impacts associated with its consumption.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Dillenia suffruticosa suitable for indoor cultivation?
A: No, it is best suited for outdoor landscapes due to its size and growth habit.
Q: Does Dillenia suffruticosa have any medicinal uses?
A: Traditional uses are not well-documented, but further research may reveal potential benefits.
Q: How fast does Dillenia suffruticosa grow?
A: It grows at a moderate pace, typically reaching its full size over several years.
Quick Reference
| Family: | Dilleniaceae |
| Care: | moderate |
| Light: | partial shade to full sun |
| Water: | every 7–10 days during activ |
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