Skip to main content

Kidney Bean

Phaseolus vulgaris var. Kidney Bean

Full Sun
Easy care
Moderate watering
Half-hardy

H3

RHS hardiness

-5°C

Minimum temperature

Expected size

Height
Spread

3m

Max

1m

1.5m

Min

75cm

6 months to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

Kidney Bean Overview

Kidney Beans are a variety of Phaseolus vulgaris named for their resemblance in shape and colour to a kidney. Used in a wide range of meals worldwide, kidney beans come in white and speckled pink as well as red but need to be soaked for a good few hours and boiled for at least 10 minutes, to get rid of toxins. Phaseolus vulgaris seeds are planted in the spring and they flower and fruit in the summer. They like moist soil, a sunny spot and fertile soil. Their flowers are attractive to bees.

Common problems with Kidney Bean

Pods that come into contact with the ground can be subject to rot.

Kidney Bean Companion Plants

It is frequently grown along with Squash & Maize to complete the 3 Sisters a traditional growing pattern of the indigenous North Americans.

How to harvest Kidney Bean

Beans are ready to harvest in 55 to 65 days from transplant. Green beans are picked at an immature stage, when the seeds inside have not yet fully developed. Look for firm, sizable pods and snap or cut off the plant. Do not injure the plant!

How to propagate Kidney Bean

Seed

Plant seeds in Spring or Summer in warm soil. Germination in about 1 to 2 weeks. In Spring sow the seeds 2.5 cm deep and in Summer sow the seeds even deeper.

Special features of Kidney Bean

Crop rotation

Beans is well-known as a soilconditioner or Nitrogen fixer adding nitrogen to a garden bed either to neighboring plants or to the planting following the crop when rotating.

Pot plant

Good plant to plant in container, sow seed in warm soil, protect from frost and makes sure there are enough drainage holes.

Attracts useful insects

Insects such as honeybees, bumblebees and butterflies.

Other uses of Kidney Bean

Medicinal

It reduces risk of heart disease and colon cancer, as well as an improved regulation of diabetes.

Edible

Beans are a wonderful food that can be used either as a green vegetable or an important protein source. Its leaves are occasionally used as a vegetable.