Blue Lotus (Nymphaea nouchali)
Nouchali
About this plant
Nymphaea nouchali, commonly called the blue lotus, is a beautiful water lily known for its striking blue flowers and round floating leaves. It grows in ponds and slow-moving water bodies. The plant is often used ornamentally in water gardens and has cultural significance in parts of Asia. Its flowers open in the morning and close by afternoon, adding charm to aquatic settings.
Taxonomy
Higher classification: Order: Nymphaeales
Origin & Distribution
- Native region
- India, Sri Lanka, Bangladesh, Southeast Asia
- Distribution
- Native to South and Southeast Asia, including India, Sri Lanka, and Bangladesh; cultivated in water gardens worldwide.
Care
- Suitable locations
- Outdoor, Greenhouse
- Preferred window facing
- South-facing, Southeast-facing, Southwest-facing
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (neutral to slightly acidic)
- Soil type
- heavy loam or aquatic planting media
Watering. Keep the plant submerged in water at all times. Maintain water depth of 15-30 cm. Change water regularly to prevent stagnation and algae growth.
Fertilizing. Feed the plant with aquatic plant fertilizer every 4 to 6 weeks during the growing season to encourage healthy blooms and foliage.
Nymphaea nouchali is a water lily that grows in ponds or water gardens. It prefers full sun and clean, still water. It needs moderate care, including regular watering and occasional fertilizing. Watch for water quality and pests like aphids.
Propagation
- Propagation methods
- Division, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Large blue flowers, round floating leaves, and attractive form on water surface.
Toxicity & Safety
Non-toxic to humans and pets; safe to have around children and animals.
Allergy information
Nymphaea nouchali, also known as the blue lotus, has low allergy risk for most people. Its pollen is not a common allergen, so it rarely causes allergic reactions. People sensitive to pollen should still be cautious around flowering plants. To reduce exposure, avoid direct contact with pollen if you have allergies.
Common problems
Common problems include yellowing leaves from poor water quality, algae growth competing for nutrients, and pests such as aphids or snails.
Uses
Primarily grown as an ornamental aquatic plant in ponds and water gardens. Also holds cultural and symbolic importance in some regions.
Notes
Prune dead leaves and spent flowers to keep the plant healthy. Repot every 2-3 years to refresh soil and control growth. Avoid strong water currents as they can damage leaves.