Scarlet Emperor
Runner Bean
Heirloom
Phaseolus coccineus
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Fabaceae (Pea family) · Genus: Phaseolus
Characteristics
Color
BlackMulti-ColorPurple
Flavor
Rich / Complex
Growth Habit
Pole
Intended Use
Fresh Shell
Maturity
Early
Texture
Meaty / DenseTender
About the Plant
Life Cycle
Annual
❄
Hardiness
Warm-Season/Tender
☀
Exposure
Full Sun
💧
Moisture
Evenly Moist but Well Drained
🌍
Origin
United Kingdom
🌱
Germination
7–14 days
at 50 °F
⏳
Days to Maturity
70–80 days
Fruit Size
12 in
How to Plant
🏠
Start Indoors
2-4 Weeks Before Last Frost
Transplant
0-2 Weeks After Last Frost
🌸
Direct Sow (Spring)
0-2 Weeks After Last Frost
Planting Depth
1–1 1/2 in
Seed Spacing
4–6 in
Row Spacing
36–48 in
Thin To
6–8 in
🌡
Optimal Soil Temp
60–70 °F
🌡
Soil Temp
50 °F
🌡
Air Temp
32–90 °F
When to Plant in Your Area
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