water spinach
Ipomoea aquatica
None
About this plant
Ipomoea aquatica, commonly called water spinach or kangkong, is a fast-growing, semi-aquatic leafy vegetable popular in many Asian cuisines. It has hollow stems and long, narrow leaves, and it grows well in water or moist soil. It is often used in stir-fries, soups, and salads. This plant is valued for its tender leaves and stems and is easy to grow in warm climates.
Taxonomy
- Genus
- Ipomoea
- Family
- Convolvulaceae
- Higher classification
- Order: Solanales
- Plant type
- Herb
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Southeast Asia
- Distribution
- Native to Southeast Asia, now widely cultivated in tropical and subtropical regions worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, Southeast-facing, Southwest-facing
- Watering frequency
- Frequent
- Watering interval
- 1–2 days
- Humidity
- High
- Minimum
- 15 °C
- Maximum
- 35 °C
- Optimal
- 20-30 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5
- Soil type
- moist, well-draining loam or sandy soil
Watering. Keep soil consistently moist but not waterlogged. Water daily in hot weather or if grown in containers. Avoid letting the soil dry out completely.
Fertilizing. Apply a balanced, water-soluble fertilizer every 2-3 weeks during the growing season to encourage healthy leaf growth. Organic compost or manure can also be used to enrich the soil.
Water spinach is a fast-growing, hardy plant that thrives in warm, wet conditions. It needs regular watering and plenty of sunlight but can tolerate some drought. It is easy to grow and maintain, making it suitable for beginners.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Attractive heart-shaped leaves and trumpet-shaped pink or purple flowers.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Low spread
Non-toxic and safe to eat; commonly grown as a vegetable. No known harmful effects on humans or pets.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Ipomoea aquatica, also known as water spinach, is generally safe and not known to cause allergies. However, people sensitive to plant sap or pollen should handle it with care. Washing the plant before eating or handling can reduce any minor irritation risks.
Common problems
Overwatering can cause root rot, while too little water may stunt growth. Pests like aphids or snails can sometimes be a problem. Yellowing leaves may indicate nutrient deficiency or poor drainage.
Uses
Primarily grown as a leafy vegetable for cooking. Also used in water gardens and as a cover crop to prevent soil erosion.
Notes
Prune regularly to encourage bushier growth and prevent the plant from becoming too leggy. It can be grown in containers or garden beds with moist soil. Repot or divide plants every year to maintain vigor.