Joi Choi
Bok Choy
Hybrid
Brassica rapa subsp. chinensis
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Brassicaceae (Mustard family) · Genus: Brassica
Characteristics
Color
GreenWhite
Flavor
Mild
Growth Form
Head
Texture
JuicyTender
Trait
Slow-Bolting / Heat Tolerant
About the Plant
Life Cycle
Biennial
Harvest year 1, seeds year 2
❄
Hardiness
Cool-Season/Half-Hardy
☀
Exposure
Full Sun, Tolerates Partial Sun
💧
Moisture
Evenly Moist
🌍
Origin
Japan
🌱
Germination
4–10 days
at 40–95 °F
⏳
Days to Maturity
45–55 days
Plant Height
1–1 1/4 ft
How to Plant
🏠
Start Indoors
4-6 Weeks Before Last Frost
Transplant
0-2 Weeks Before Last Frost
🌸
Direct Sow (Spring)
0-2 Weeks Before Last Frost
🍂
Direct Sow (Fall)
8-10 Weeks Before First Frost
Planting Depth
1/4–1/2 in
Seed Spacing
1–2 in
Row Spacing
18–24 in
Thin To
6–12 in
🌡
Optimal Soil Temp
55–85 °F
🌡
Soil Temp
40–95 °F
🌡
Air Temp
28–80 °F
When to Plant in Your Area
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