Shield Aralia
Polyscias scutellaria
Fabian
About this plant
Polyscias scutellaria, commonly known as Shield Aralia, is a tropical shrub with attractive, glossy, shield-shaped leaves. It is valued for its lush foliage and air-purifying qualities. Often grown indoors or in shaded outdoor areas, it adds a tropical feel to homes and gardens. It is also appreciated for its ease of care and adaptability.
Taxonomy
- Genus
- Polyscias
- Family
- Araliaceae
- Higher classification
- Apiales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Southeast Asia
- Distribution
- Native to Southeast Asia and widely cultivated in tropical and subtropical regions worldwide.
Care
- Light preference
- Partial shade
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, North-facing, Northeast-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- 10 °C
- Maximum
- 30 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 10-12
- Soil pH
- 6.0-7.0 (slightly acidic to neutral)
- Soil type
- well-draining potting soil mix
Watering. Water when the top inch of soil feels dry. Avoid letting the plant sit in water to prevent root rot. Increase watering frequency in warmer months and reduce in cooler months.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4 to 6 weeks during the growing season (spring and summer). Reduce feeding in fall and winter when growth slows.
Polyscias scutellaria is a hardy and easy-to-care-for plant that thrives in moderate light and prefers regular watering without waterlogging. It can tolerate some shade and is generally resistant to common pests and diseases, making it suitable for beginners. Occasional pruning helps maintain its shape and encourages bushier growth.
Propagation
- Propagation methods
- Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Glossy, shield-shaped leaves with a lush, bushy form; small, inconspicuous flowers in summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for households with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- None
Polyscias scutellaria may cause mild skin irritation in sensitive individuals due to contact with its sap. People who are sensitive to plant saps should handle it with care and wear gloves when pruning. It does not produce airborne pollen that typically causes allergies.
Common problems
Overwatering can cause root rot, while too little light may lead to leggy growth. Occasionally, spider mites or scale insects may appear but are usually manageable with proper care.
Uses
Primarily grown as an ornamental plant indoors or in shaded outdoor areas for its attractive foliage and air-purifying qualities.
Notes
Prune regularly to maintain shape and encourage bushier growth. Repot every 2-3 years to refresh soil and allow room for roots. Sensitive to cold drafts and temperatures below 10°C (50°F).