Delicacy White Kohlrabi on a white background.
Three Delicacy White Kohlrabi stacked on a wooden board.
Delicacy White Kohlrabi behind a bowl of Kohlrabi kimchi in a decorative bowl.
Close-up of a single Delicacy White Kohlrabi.
Delicacy White Kohlrabi on a white background.
Three Delicacy White Kohlrabi stacked on a wooden board.
Delicacy White Kohlrabi behind a bowl of Kohlrabi kimchi in a decorative bowl.
Close-up of a single Delicacy White Kohlrabi.

Kohlrabi Seeds,
Delicacy White

53 ReviewsSKU: #KL105Min. seed count: 400
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Description

(Brassica oleracea var. gongylodes). Beautiful, smooth globes are a lovely light green. They are quite uniform, and the flesh is tender and of high quality. These stay tender even as they mature.

Growing Tips: Delicacy White kohlrabi is best grown in cool weather, thriving in temperatures between 45-80 F. It prefers well-drained, fertile soil with a pH of 6.0-6.8. Before planting, enrich the soil with compost or well-rotted manure to provide the necessary nutrients. Keep the soil consistently moist but not waterlogged to prevent the bulbs from becoming 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
65
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 from 2 weeks before the last spring frost, making the last fall sowing about 8-10 weeks before the first autumn frost so the 65-day crop has time to finish. This variety is hardy in USDA zones 3-9 and can tolerate light frosts, which can even enhance the flavor of the bulbs​. 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

  • Sow seeds indoors 4-6 weeks before last frost.
  • Sow seeds ¼ inch deep.
  • Seeds germinate in 6-9 days.
  • Ideal germination temperature is 45-80 F.
  • Set seedlings outside for two weeks before planting to harden off. For a fall crop, sow seeds 8-10 weeks before first frost.

How to Grow

  • Kohlrabi needs full sunlight and fertile, well-drained soil.
  • Inconsistent watering will cause cracking of the bulbous stems.
  • Use drip irrigation to water evenly.
  • Plants are shallow rooted, so avoid cultivating too closely to the plants.
  • A thick layer of mulch will help to retain moisture and suppress weeds.

PESTS/SPECIAL CONSIDERATIONS

  • Kohlrabi stands up to disease and pests better than most other cabbage relatives.
  • Still, fungus can be an issue, so be sure to rotate crops, provide good airflow, and avoid overhead irrigation.
  • Cabbage loopers can be picked off by hand, or you can treat plants with Bt or with diatomaceous earth.

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

Why are my Delicacy White kohlrabi bulbs cracking?

Inconsistent watering will cause cracking of the bulbous stems. Use drip irrigation to water evenly, and keep the soil consistently moist but not waterlogged. A thick layer of mulch will help retain moisture and suppress weeds, and because plants are shallow rooted, avoid cultivating too closely to them.

Do Delicacy White bulbs get woody if I leave them in the ground?

These beautiful, smooth globes are a lovely light green, the flesh is tender and of high quality, and they stay tender even as they mature. Keep the soil consistently moist but not waterlogged to prevent the bulbs from becoming woody. They are quite uniform and ready in about 65 days from a 1/4-inch sowing.

Can I grow a fall crop of Delicacy White kohlrabi?

Yes. Sow seeds indoors 4 to 6 weeks before the last frost, and for a fall crop sow seeds 8 to 10 weeks before the first frost. Kohlrabi is frost hardy and best grown in cool weather, germinating in 6 to 9 days in the 45 to 80 F range; set seedlings outside for two weeks before planting to harden off.
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