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Water Chestnut
Trapa natans
Difficult difficultySowing: June-July; Harvesting: September-January (peak Oct-Dec)
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Sunlight
Full Sun
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Watering
High
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Min pot size
18" pot
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Start from
Plant tubers/corms 2-3 inches deep, 4-6 inches apart, with sprout end facing upward, in a soil base submerged under 2-3 inches of water. Often started in nurseries and transplanted to main growing area.
About Water Chestnut
Water Chestnut, known as Singhara in India, is an aquatic plant cultivated for its crunchy, sweet, and nutritious tubers. It's a popular seasonal delicacy, especially during winters and fasting periods, offering significant health benefits. While requiring specific aquatic conditions, it can be successfully grown by Indian home/terrace growers in containers and by small farmers in ponds or shallow flooded fields.
Climate requirements
Ideal temperature
21-29 (water temperature)
Heat stress above
35°C
Cold stress below
10°C
Humidity
High (aquatic environment)
Rain sensitivity
Benefits from monsoon rains but requires controlled water levels; excessive uncontrolled rain can disrupt water balance.
Growth stages
Stage 1
Nursery & Germination
Day 1–90
Stage 2
Transplanting & Establishment
Day 91–120
Stage 3
Vegetative Growth
Day 121–180
Stage 4
Flowering & Early Fruiting
Day 181–240
Stage 5
Fruiting & Maturation
Day 241–300
Stage 6
Harvest
Day 301–360
Common pests and diseases
Watch out for these on your Water Chestnut. Upload a photo for AI diagnosis →
Treatment solutions for each pest are available on Pro Plus AI — includes AI photo diagnosis, detailed treatment steps, and product recommendations.
Companion plants for Water Chestnut
Avoid planting nearby
✗ Aggressive invasive aquatic species that can outcompete water chestnuts.
Get a personalised schedule for Water Chestnut
Enter your city, pot count, and sowing date — the Crop Planner builds a day-by-day care calendar with watering reminders, fertiliser timing, and harvest windows.
Build my crop schedule — ₹199New to terrace gardening? Read the complete India terrace farming guide →
Spot a problem?
Photo-based AI diagnosis identifies diseases, pests, and nutrient deficiencies on your Water Chestnut within seconds.
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