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How to Grow Kohlrabi: A Step-by-Step Guide to Deliciously Crunchy Success

Kohlrabi, with its unique bulbous stem and surprisingly sweet flavor, is a vegetable that deserves a spot in every home garden. This versatile, quick-growing crop is a delightful addition to salads, stir-fries, and even roasted dishes. But don’t be intimidated by its unfamiliar appearance; growing kohlrabi is surprisingly easy even for novice gardeners.
1. Choose the Right Spot:
Kohlrabi thrives in sunny locations with at least six hours of direct sunlight daily. Choose a well-drained spot in your garden, as soggy soil can lead to root rot. If your soil is heavy clay, consider amending it with compost or other organic matter to improve drainage.
2. Prepare Your Soil:
Kohlrabi prefers rich, loose soil with a pH between 6.0 and 7.0. Before planting, till your soil to a depth of 8-10 inches and incorporate a generous amount of compost or well-rotted manure. This will provide essential nutrients and improve soil structure.
3. Select the Right Variety:
Kohlrabi varieties come in different sizes, shapes, and colors. For beginners, early-maturing varieties like ‘Early White Vienna’ or ‘Grand Duke’ are great choices. These varieties produce bulbs within 50-60 days, offering a quick harvest. If you’re looking for larger bulbs, try ‘Purple Vienna’ or ‘White Vienna’.
4. Planting Time:
Kohlrabi can be directly sown in the garden after the last frost. In warmer climates, you can start planting as early as March or April. For colder regions, wait until the soil has warmed up to at least 60°F.
5. Sowing the Seeds:

- Direct Sowing: Sow kohlrabi seeds 1/2 inch deep and 1-2 inches apart in rows spaced 12-18 inches apart. Water the seeds thoroughly after planting.
- Starting Indoors: If you live in a colder climate, you can start kohlrabi seeds indoors 4-6 weeks before the last frost. Use individual peat pots or seed starting trays and transplant seedlings outdoors when they have 4-6 true leaves.
6. Thinning and Spacing:

Once your kohlrabi seedlings emerge, thin them out to one plant every 6-8 inches. This gives each plant ample space to develop a large, healthy bulb.
7. Watering and Fertilizing:
Kohlrabi needs consistent moisture to thrive. Water deeply and regularly, especially during hot, dry weather. Avoid overwatering, as this can lead to root rot. You can also apply a balanced liquid fertilizer every 2-3 weeks to encourage healthy growth.
8. Harvesting:
Kohlrabi is ready for harvest when the bulbs are firm and 2-3 inches in diameter. Smaller bulbs are more tender and have a milder flavor. To harvest, use a sharp knife to cut the bulb at the base, leaving the leaves intact.

9. Tips for Success:
- Pest Control: Keep an eye out for common garden pests like cabbage worms, aphids, and flea beetles. Handpick these pests or use a safe insecticide if necessary.
- Disease Prevention: Kohlrabi can be susceptible to fungal diseases like black rot and clubroot. Avoid overwatering and practice crop rotation to prevent these problems.
- Succession Planting: To enjoy a continuous harvest, sow new seeds every 2-3 weeks. This will ensure you have fresh kohlrabi throughout the growing season.
Kohlrabi: A Versatile and Delicious Vegetable:
Kohlrabi is a nutritious and versatile vegetable that can be enjoyed in a variety of ways. The bulbs can be eaten raw, sliced into salads, or cooked in stir-fries, soups, and stews. The leaves can also be used in salads or cooked like spinach.
Beyond the Basics: Exploring Kohlrabi’s Potential:
- Pickling and Fermenting: Kohlrabi’s unique texture makes it an excellent choice for pickling or fermenting. Try making your own kohlrabi kimchi or pickled kohlrabi for a delicious and healthy snack.
- Creative Culinary Uses: Think beyond the usual salad and stir-fry applications. Kohlrabi can be grated into fritters, roasted with herbs and spices, or used as a base for flavorful dips.
- Growing Kohlrabi in Containers: With its relatively small root system, kohlrabi can be successfully grown in containers. Choose a pot at least 12 inches in diameter and use a well-draining potting mix.
Growing kohlrabi is a rewarding experience that brings a unique and delicious vegetable to your table. By following these simple steps, you can enjoy a bountiful harvest of this crunchy, sweet, and surprisingly versatile vegetable. So why not give it a try? You might just discover your new favorite garden staple.
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