🌾 Buckwheat

Fagopyrum esculentum
grains annual
Illustration of Buckwheat
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
3-10
🪴 Soil Type
loamy, sandy
🧪 Soil pH
5.5-7.0
💧 Drainage
well-drained
📏 Spacing
3-6 inches (broadcast), 6-8 inches (rows)
📐 Height
2-4 feet
📅 Days to Maturity
30-45 days (cover crop), 70-84 days (grain)

🍴 Edible Parts

🍽️ seeds🍽️ leaves (young)

🤝 Companions (3)

Buckwheat attracts predatory wasps and hoverflies that control cabbage pests like aphids and caterpillars
🤝 Squash
Buckwheat's rapid growth provides weed suppression around squash plants, and its flowers bring in pollinators
Buckwheat attracts pollinators to improve strawberry fruit set and harbors predatory insects that control spider mites

⚠️ Keep Apart (2)

Buckwheat can harbor lygus bugs and other pests that also attack tomatoes; its quick growth can compete for moisture
⚠️ Pepper
Shared susceptibility to tarnished plant bugs; buckwheat's dense growth can reduce air circulation around peppers

💊 Medicinal Uses

Buckwheat is rich in rutin, a flavonoid that strengthens capillaries and blood vessels, making it beneficial for cardiovascular health including varicose veins and hemorrhoids. It has a low glycemic index and contains D-chiro-inositol, which may help with blood sugar regulation in diabetes. The grain is high in magnesium and fiber. Buckwheat hulls are used to make pillows that conform to the head and neck for therapeutic sleep support.

📜 History & Traditional Uses

Buckwheat originated in Southeast Asia and spread along trade routes to Europe by the Middle Ages. In Japan, buckwheat noodles (soba) have been a staple for centuries. Eastern European and Russian cuisines feature buckwheat groats (kasha) as a traditional food. American colonists relied on buckwheat as a pioneer crop. It was traditionally used as a green manure and smother crop to improve poor soils. During famines, buckwheat's short growing season made it a critical emergency food.

📝 Notes

Buckwheat is not related to wheat and is gluten-free, making it a pseudocereal. It is an exceptionally fast-growing cover crop that smothers weeds, scavenges phosphorus, and attracts pollinators and beneficial insects with its abundant white flowers. It can go from seed to flower in just 30 days. Buckwheat thrives in poor soils and is often used to improve degraded land. The flowers produce a dark, strong-flavored honey prized by beekeepers. It is frost-sensitive and will die at the first hard frost.