🎨 AI-generated botanical illustration
🌱 Water Chestnut
Eleocharis dulcis
aquatic
aquatic sedge
Cyperaceae
☀️ Sun
full sun
💧 Water
aquatic (4-6 inch standing water)
🗺️ Zones
[8,9,10,11]
🧪 Soil pH
6.0-7.5
🪴 Soil Type
silty, submerged
🚿 Drainage
Aquatic
📏 Spacing
12-18 inches
📐 Height
2-4 ft
⏱️ Maturity
180-220 days
🤝 Companions (7)
🤝 Lotus
Shared aquatic habitat; complementary root depths
🤝 Marigold
Universal garden companion
🤝 Marigold
Universal garden companion
🤝 Nasturtium
Attracts pollinators
🤝 Nasturtium
Attracts pollinators
🤝 Rice
Grown in same paddy conditions
🤝 Taro
Both thrive in shallow standing water
⚠️ Keep Apart (5)
⚠️ Mint
Competes aggressively
⚠️ Mint
Competes aggressively
⚠️ Walnut
Juglone sensitive
⚠️ Walnut
Juglone sensitive
⚠️ terrestrial vegetables
Requires flooded conditions
📝 Growing Notes
NOT the invasive European water chestnut (Trapa natans). A sedge that produces crisp, sweet corms. Grown in flooded conditions like rice. Corms retain crunch even after cooking.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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