Tankuro
Soybean
Open Pollinated
Glycine max
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Fabaceae (Pea family) · Genus: Glycine
Characteristics
Color
BlackGreen
Flavor
Rich / ComplexSweet
Growth Habit
Bush
About the Plant
Life Cycle
Annual
❄
Hardiness
Warm-Season/Tender
☀
Exposure
Full Sun
💧
Moisture
Evenly Moist but Well Drained
🌍
Origin
Japan
🌱
Germination
7–14 days
at 50–104 °F
⏳
Days to Maturity
80–90 days
Plant Height
1–3 ft
Fruit Size
2–3 in
How to Plant
🏠
Start Indoors
Not Recommended / Direct Sow Only
🌸
Direct Sow (Spring)
0-2 Weeks After Last Frost
🍂
Direct Sow (Fall)
14-16 Weeks Before First Frost
Planting Depth
1–1 1/2 in
Seed Spacing
2–4 in
Row Spacing
24–30 in
Thin To
4–6 in
🌡
Optimal Soil Temp
75–90 °F
🌡
Soil Temp
50–104 °F
🌡
Air Temp
32–85 °F
When to Plant in Your Area
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