Flash
Collards
Hybrid
Brassica oleracea var. viridis
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Brassicaceae (Mustard family) · Genus: Brassica
Characteristics
Color
Green
Flavor
MildSweet
Intended Use
Fresh / Salad
Leaf Type
Flat / SmoothLarge Leaf
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
🌱
Germination
4–10 days
at 40–95 °F
⏳
Days to Maturity
75 days
Plant Height
1 1/3–1.917 ft
How to Plant
🏠
Start Indoors
4-6 Weeks Before Last Frost
Transplant
2-4 Weeks Before Last Frost
🌸
Direct Sow (Spring)
2-4 Weeks Before Last Frost
🍂
Direct Sow (Fall)
8-10 Weeks Before First Frost
Planting Depth
1/4–1/2 in
Seed Spacing
2–4 in
Row Spacing
24–36 in
Thin To
12–18 in
🌡
Optimal Soil Temp
60–85 °F
🌡
Soil Temp
40–95 °F
🌡
Air Temp
15–80 °F
When to Plant in Your Area
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