Black Jack
Kale · Lacinato
Hybrid
Brassica oleracea var. palmifolia
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Brassicaceae (Mustard family) · Genus: Brassica
Characteristics
Color
Green
Flavor
Sweet
Growth Habit
Dwarf / Compact
Intended Use
Baby Leaf
Leaf Type
Savoyed
Trait
Slow-Bolting / Heat Tolerant
About the Plant
Life Cycle
Biennial
Harvest year 1, seeds year 2
❄
Hardiness
Cool-Season/Hardy
☀
Exposure
Full Sun, Tolerates Partial Sun
💧
Moisture
Evenly Moist
🌍
Origin
United Kingdom
🌱
Germination
4–12 days
at 40–85 °F
⏳
Days to Maturity
60 days
Plant Height
2–2 1/2 ft
How to Plant
🏠
Start Indoors
4-6 Weeks Before Last Frost
Transplant
2-4 Weeks Before Last Frost
🌸
Direct Sow (Spring)
4-6 Weeks Before Last Frost
🍂
Direct Sow (Fall)
8-10 Weeks Before First Frost
Planting Depth
1/4–1/2 in
Seed Spacing
2–12 in
Row Spacing
12–30 in
Thin To
12–18 in
🌡
Optimal Soil Temp
60–85 °F
🌡
Soil Temp
40–85 °F
🌡
Air Temp
15–75 °F
When to Plant in Your Area
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