Scarlet Runner Bean (Pole)


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The Scarlet Runner Bean must have been the original inspiration for "Jack and the Magic Beanstalk"! Native to the mountains of Mexico and Central America, these runner beans sprint at higher elevations than common beans at 15-20 feet! This plant makes a beautiful backdrop with over 20 showy scarlet-red flowers with 1-inch blooms per vine.  Its one-of-a-kind beans are bright pink when freshly harvested and mature to a majestic purple. Then when fully dried, they turn plum-black!

Also Known As: The Scarlet Conqueror, Fire Beans, Scarlet Emperor, Dutch Runner, Mammoth Bean, Maize Runner Bean

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Plant Name:
Runner Bean, Scarlet Emperor
Latin Name:
Phaseolus coccineus
Days to Germinate: 6-10
Days to Harvest: 70
Germination Rate: 85%
Test Date: 8/23
Growth Habit: Vining
USDA Zones: 3-12
Lifespan: Annual
Brand: TomorrowSeeds
Sunlight: Full Sun, Partial Shade
Heirloom, Open-Pollinated
Fungicide-Treated Seeds:*: No
Seeds Packed For**: 2024

*Fungicide-treated seeds protect the seedlings from diseases until they are up and growing. Do not eat treated seeds.
**Seeds are freshly packed for the growing season of the year listed. Seeds are still viable beyond pack date. Store in a cool and dry location such as the refrigerator or basement to best preserve germination rates.

Planting Instructions:


Soil Preparation:

Remove weeds, large rocks, and litter from the planting area. Till the soil 8-10 inches deep and rake several times to break up large clods. It is best to do this when the soil is dry enough to not stick to garden tools. Loosening the soil will help the plant establish strong roots.


In the Spring, plant beans after all danger of frost has passed. In the Fall, plant beans 10 to 12 weeks before the first expected frost. Plant runner beans in hills about 2 feet apart in the row. Set strong poles, strings, or a trellis in rows to support heavy ~15' vines. Place a 6-8-foot stake in the center of each hill. Space the rows about 3 feet apart. Plant  3-4 seeds around the stake or trellis about 1 inch deep in the soil. Thin to 2 plants per trellis. Planting in moist soil is best for seeds to germinate and emerge quickly.

Planting Depth: 2 inch
Within-Row Spacing:
2 feet
Between-Row Spacing:
3 feet


Care During the Season:

Watering: Water the plants about once a week in dry weather. Try not to let the soil dry out while the beans are blooming or the blooms will drop and yields will be decreased.

Weeding: The roots of beans grow near the soil surface. When hoeing and pulling weeds, try not to dig too deep to prevent the plant's roots from damage.

Fertilizing: As the plants begin to flower and set beans, you may optionally apply fertilizer to help plants produce more beans. Apply by scattering between the rows about 1/2 cup of fertilizer for every 10 feet of row. Water the plants after fertilizing.

Insecticides: Insecticides may be used to protect plants. Bt-based insecticides and sulfur are organic options. Sulfur also has fungicidal properties and helps in controlling many diseases. Before using a pesticide, read the label and always follow cautions, warnings and directions.

Diseases: Diseases may be a possibility during cool, wet weather. If spots appear on leaves or bean pods, treat the plant with an approved fungicide. Neem oil, sulfur, and other fungicides may be used.


Pick green pods of runner beans when pod length reaches maximum length. Pods may be picked in several rounds at 4-5 day intervals because of asynchronous ripening. For dry seed, pull or cut plants when most pods are dry then allow plants to dry for a few days before threshing.


Nutrition Facts:

Calories 326
% Daily Value*
Total Fat 1.2 g 1%
Saturated fat 0 g 0%
Polyunsaturated fat 0.4 g
Monounsaturated fat 0 g
Cholesterol 0 mg 0%
Sodium 12 mg 1%
Potassium 209 mg 5%
Total Carbohydrate 60 g 22%
Dietary fiber 16 g 58%
Protein 28 g 56%
Vitamin A 2% Vitamin C 11%
Calcium 29% Iron 47%
Vitamin D 0% Vitamin K
Cobalamin 0% Magnesium 6%
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.