Kohlrabi

Brassica oleracea var. gongylodes

Brassicaceae · vegetables · Northern Europe

EdibleLow Maintenance

About Kohlrabi

An unusual vegetable with a swollen stem that looks like a space alien but tastes like mild, sweet broccoli stem. Quick to mature at 45-60 days. Both the globe and leaves are edible.

Growing Conditions

☀️

Sun

Full Sun

💧💧

Water

Medium

🌱

Soil

Rich, Well-drained

📈

Growth Rate

Fast

🌸

Bloom Season

Spring, Fall

🌈

Bloom Color

Yellow (second year)

Size & Dimensions

Height

Spread

Hardiness Zone Range

Suitable for USDA Zones 2 through 11

Plant Details

Family	Brassicaceae
Category	Vegetables
Native Region	Northern Europe
Scientific Name	Brassica oleracea var. gongylodes

Care Tips

✓Direct sow or transplant.
✓Harvest when globes are 2-3 inches diameter — larger ones become woody.
✓Peel tough skin before eating.
✓Excellent raw in slaws.

Fun Facts

★The name means 'cabbage-turnip' in German.
★Popular in German, Indian, and Kashmiri cuisines.
★Like broccoli, cauliflower, and cabbage, it's a cultivar of Brassica oleracea.

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Data verified: 2026-04

USDA Plants Database Missouri Botanical Garden

Frequently Asked Questions

What USDA hardiness zones can Kohlrabi grow in?

Kohlrabi (Brassica oleracea var. gongylodes) thrives in USDA hardiness zones 2 through 11. This means it can tolerate winter temperatures typical of these zones. Check your local zone to ensure it is suitable for your area.

How much sun and water does Kohlrabi need?

Kohlrabi requires full sun and has medium water needs. It grows best in rich, well-drained soil. Regular watering is recommended, especially during dry periods.

How tall and wide does Kohlrabi grow?

Kohlrabi typically reaches 1' tall with a spread of 8". It has a fast growth rate and requires low maintenance. Plan your garden spacing accordingly to give it room to reach its full size.

Is Kohlrabi deer resistant?

Kohlrabi is not typically considered deer resistant. If deer are common in your area, consider protecting young plants with fencing or using deer repellent sprays during the growing season.

When does Kohlrabi bloom and is it edible?

Kohlrabi blooms in spring, fall, producing yellow (second year) flowers. Parts of this plant are edible and can be used in cooking or eaten fresh. It belongs to the Brassicaceae family and is native to Northern Europe.

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