Dhanidhana
Porteresia coarctata
📖 About this plant
Porteresia coarctata (rice grass or ‘Dhanidhana’ in Odia) is a perennial grass of the Poaceae family naturally found in mangrove habitats. The plant is a wild relative of cultivated rice and is a critical pioneer species in mangrove succession.
🧑🌾 Care requirements
Full sun to partial shade
Regular
Moderate
15-38°C
Well-draining loam
Compost annually
📋 Plant facts
- 🌍 Origin
- Indian Subcontinent
- 📏 Max height
- 0.5-3 m
- 📐 Spread
- Spreads via rhizomes
- 🕰️ Bloom time
- Spring
- 🎨 Bloom color
- White-yellow
- 🍃 Foliage color
- Green
- ⏳ Lifespan
- 40+ years
- 📈 Growth rate
- Moderate
- ☠️ Toxicity
- Non-toxic
- 🌱 Propagation
- Seeds, division
🛡️ Health & Safety
Non-toxic
Common issues
- Leaf spot, caterpillar defoliation
💡 Care tips
- Plant in well-draining soil with appropriate light. Tolerates Indian tropical conditions.



