Understanding Kohlrabi Growth Stages for Better Harvesting

Growing kohlrabi successfully requires understanding its various growth stages. Recognizing these stages helps farmers and gardeners optimize their harvesting time and improve crop quality. This article explores the key growth phases of kohlrabi and offers tips for each stage.

Seedling Stage

The first stage begins with planting kohlrabi seeds in well-prepared soil. Seeds typically germinate within 5 to 10 days when conditions are optimal. During this phase, seedlings develop their first true leaves and establish a strong root system.

Vegetative Growth

In this stage, kohlrabi plants focus on leaf and stem development. The plant’s bulbous stem starts forming beneath the soil surface. Adequate watering, fertilization, and pest control are crucial during this period to promote healthy growth.

Monitoring Growth

Farmers should watch for rapid leaf expansion and ensure the plant remains disease-free. Proper spacing and weed control help prevent competition for nutrients and sunlight.

Bulb Development

As the plant matures, the bulb enlarges and becomes more prominent. This is the critical stage where the size and firmness of the kohlrabi are determined. Typically, this occurs around 40 to 60 days after planting, depending on the variety.

Signs of Readiness

  • The bulb reaches a diameter of 3 to 4 inches.
  • The skin is smooth and firm.
  • The leaves are healthy and upright.

At this point, the plant is ready for harvest. Waiting too long can cause the bulb to become woody and less palatable.

Harvesting and Post-Harvest

Harvest kohlrabi when the bulb is at its peak size and firmness. Use a sharp knife to cut the stem just below the bulb. Proper harvesting ensures the best flavor and texture.

After harvesting, store kohlrabi in a cool, moist environment to maintain freshness. It can be kept in the refrigerator for up to a week.