Porcupine Tomato
Solanum pyracanthos
Porcupine Tomato
About this plant
Solanum pyracanthos, commonly known as Porcupine Tomato, is a striking shrub known for its bright orange spines covering its stems and leaves. It produces small purple flowers followed by green fruits. The spines serve as a natural defense, making it a unique and eye-catching plant. It is often grown as an ornamental plant in gardens and greenhouses.
Taxonomy
- Genus
- Solanum
- Family
- Solanaceae
- Higher classification
- Order Solanales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Madagascar
- Distribution
- Native to Madagascar; cultivated in warm regions worldwide as an ornamental plant.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Greenhouse, Balcony
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 35 °C
- Optimal
- 18-28 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining potting soil mix
Watering. Water moderately, allowing the top inch of soil to dry out between waterings. Avoid waterlogging to prevent root rot.
Fertilizing. Feed with a balanced liquid fertilizer every 4 to 6 weeks during the growing season (spring to early fall). Avoid over-fertilizing, which can cause excessive leaf growth and fewer flowers.
This plant is fairly tough and drought-tolerant once established. It prefers bright sunlight and well-draining soil. Overwatering can cause root problems, so allow the soil to dry between waterings. Handle with care due to its sharp spines.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Bright orange spines, purple star-shaped flowers, and unique spiny foliage make it very ornamental.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
The plant's sap and berries can be mildly toxic if ingested. Keep away from children and pets to prevent accidental ingestion.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Solanum pyracanthos may cause skin irritation if touched due to its sharp spines. People sensitive to plant sap or with sensitive skin should handle it carefully. Wearing gloves can help reduce exposure to its spines and sap.
Common problems
Common problems include root rot from overwatering and leaf yellowing if grown in too little light. Pests like aphids or spider mites may occasionally appear.
Uses
Primarily grown as an ornamental plant for its unique spiny appearance and attractive flowers.
Notes
Prune carefully to shape the plant and remove dead growth, but wear gloves to protect from spines. Repot every 2-3 years if grown in containers. Avoid placing near walkways due to sharp spines.