Early White Vienna Kohlrabi with kohlrabi fries on a white background.
Kohlrabi Seeds, Early White Vienna
A whole plant of Early White Vienna Kohlrabi growing in the garden.
Four Early White Vienna Kohlrabi in a pile on a white background.
Three Early White Vienna Kohlrabi and slices on a white background.
Early White Vienna Kohlrabi with kohlrabi fries on a white background.
Kohlrabi Seeds, Early White Vienna
A whole plant of Early White Vienna Kohlrabi growing in the garden.
Four Early White Vienna Kohlrabi in a pile on a white background.
Three Early White Vienna Kohlrabi and slices on a white background.

Kohlrabi Seeds,
Early White Vienna

4.814 ReviewsSKU: #KL102Min. seed count: 400
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Description

(Brassica oleracea var. gongylodes). Delicious, cabbage-flavored bulbs that grow above ground. Pale green skin and sweet, white flesh; good cooked or raw. Kohlrabi makes a real staple crop with high yields, cold hardy. A pre-1860 heirloom.

Growing Tips: Early White Vienna kohlrabi is well-suited for cool weather, thriving best in temperatures ranging from 45 F to 80 F. It's essential to plant it in a location that receives full sun, as this ensures good bulb development. The soil should be fertile, well-draining, and slightly acidic to neutral, with a pH between 6.0 and 6.8. Adding organic matter like compost before planting can help improve soil fertility. Maintaining consistent moisture is highly important, as irregular watering can cause the bulbs to crack or become woody.

Plant Details

Botanical Name
Brassica oleracea var. gongylodes
Life Cycle
Biennial
Sun Requirement
6–12 hr.
Days to Germinate
6–9
Days to Maturity
55
Planting Depth
¼ in.
Plant Spacing
6–8 in.
Ideal Temperature
45–80°F
Frost Hardy
Yes

When to Grow

Direct sow in rich soil every 2-3 weeks, starting 2-4 weeks before the last spring frost and making the last fall sowing about 8-10 weeks before the first autumn frost so the 55-day bulbs can size up before hard cold. Kohlrabi is hardy and can tolerate light frosts, which can even improve the flavor by making the bulbs sweeter. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

To sow kohlrabi seeds, plant them 1/4 inch deep in rows spaced 12-18 inches apart. Once the seedlings emerge, thin them to stand 6-8 inches apart to give them adequate space to grow. If starting indoors, transplant seedlings into the garden when they are 4-6 weeks old and have been hardened off. For continuous harvesting, you can practice succession planting by sowing new seeds every 2-3 weeks throughout the growing season​.

How to Grow

It’s important to water regularly, aiming for about 1 inch per week, and to mulch around the plants to help retain soil moisture and suppress weeds. Kohlrabi is not a heavy feeder, but applying a balanced fertilizer or compost once during the growing season will support healthy growth. Be vigilant about pests like cabbage worms and flea beetles, especially when the plants are young. Use row covers or organic insecticidal soaps as needed, and ensure good air circulation to prevent fungal diseases.

How to Save Seeds

  • Like its cabbage cousins, kohlrabi is a biennial and must be overwintered to produce seeds.
  • Kohlrabi is hardy down to 20 F. Those in areas with mild winters should have no issue keeping plants alive over winter.
  • In cooler regions, kohlrabi must be dug up and overwintered in sand in the root cellar. Kohlrabi stored this way should not be allowed to dry up and may need light watering while in storage.
  • Replant them after the last frost and allow them to go to seed.
  • Pick the seed pods after they are thoroughly dried and place them in a cloth bag. You will need to use a hammer or step on the stubborn pods to free the seeds.
  • Separate seeds from the chaff (leaf, pod, and stem trash) and store them in glass jars in the refrigerator.

FAQ

Can Early White Vienna kohlrabi tolerate frost?

Yes, kohlrabi is frost-tolerant and can benefit from light frosts, which can enhance the sweetness of the bulbs. However, it should be harvested before a hard freeze to avoid damage.

How long does it take for Early White Vienna kohlrabi to mature?

This variety typically matures in about 55 days from planting, depending on growing conditions.

Can Early White Vienna kohlrabi be grown in containers?

Yes, kohlrabi can be grown in containers, provided they are large enough. An 8-12 inch deep and 12-18 inch wide container is ideal. Container-grown plants may require more frequent watering and fertilization due to the limited soil volume.

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