Contents
Description
Brassica Oleracea Var. Gongylodes, commonly known as Kohlrabi, is a member of the Brassicaceae family. It is a biennial vegetable that is grown for its edible bulbous stem. The plant is native to Europe, but now it is widely cultivated in many parts of the world. Kohlrabi is a cool-season crop that grows best in temperatures between 40 to 75°F.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Brassica |
Appearance
Kohlrabi has a bulbous stem that grows above the ground. The stem is usually light green, but it can be purple or white. The stem is covered with a thick layer of skin that needs to be peeled before eating. The stem can grow up to 3 inches in diameter and can weigh up to 2 pounds. The leaves of the plant are edible and have a slightly sweet flavor.
Care Guide
Kohlrabi requires consistent moisture to grow well. Water the plant regularly, especially during hot and dry weather. The plant requires well-drained soil that is rich in organic matter. Fertilize the plant with a balanced fertilizer every 3-4 weeks. Kohlrabi prefers full sun but can tolerate partial shade. The plant can grow in hardiness zones 3-10.
Common Pests & Diseases
Kohlrabi is susceptible to several pests and diseases. Some common pests that attack the plant include aphids, flea beetles, and cabbage worms. Diseases that can affect the plant include clubroot, black rot, and downy mildew. To prevent these problems, use insecticidal soap and rotate crops regularly.
Habitat
Kohlrabi grows best in cool weather and can be grown in most temperate regions of the world. The plant can tolerate some frost but will not survive in extreme cold. Kohlrabi prefers well-drained soil and requires consistent moisture to grow well.
Question and Answer
Q: When is the best time to plant Kohlrabi?
A: Kohlrabi is a cool-season crop that is best planted in early spring or late summer.
Q: How long does it take for Kohlrabi to mature?
A: Kohlrabi takes about 55-60 days to mature from seed.
Q: Can Kohlrabi be grown in containers?
A: Yes, Kohlrabi can be grown in containers as long as the container is at least 12 inches deep.
Q: What is the nutritional value of Kohlrabi?
A: Kohlrabi is low in calories and high in fiber, vitamin C, and potassium.
Related Plants
- Brassica oleracea var. acephala (kale)
- Brassica rapa (turnip)
- Brassica oleracea var. italica (broccoli)
- Brassica oleracea var. capitata (cabbage)
References
- “Kohlrabi (Brassica oleracea var. gongylodes).” University of Minnesota Extension, extension.umn.edu/vegetables/growing-kohlrabi.
- “Kohlrabi.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287185.
- “Growing Kohlrabi.” Gardening Know How, www.gardeningknowhow.com/edible/vegetables/kohlrabi/growing-kohlrabi.htm.
