Growing Kohlrabi
Kohlrabi looks alien but tastes like a mild, crisp broccoli stem. One of the fastest cool-season crops — ready in 6-8 weeks and handles light frosts like a champion.
Quick Answer: Kohlrabi grows in Zones 3a–9b, taking 45–60 days to harvest.
It's one of the easiest crops to grow.
🌡️ Zones 3a–9b
☀️ Full Sun
💧 Moderate Water
🌱 Beginner Friendly
🪴 Container OK (5+ gal)
💦 Hydroponic
❄️ Frost Tolerant
🐾 Pet Safe
Can You Grow Kohlrabi in Your Area?
Growing Tips
Start indoors 4-6 weeks before last frost or direct sow. Thin to 6-8 inches. Harvest when bulbs are 2-3 inches diameter — bigger gets woody. Great for fall crops too.
Where Does Kohlrabi Grow?
Kohlrabi is suited to Zones 3a–9b. Here are some areas where it thrives:
✅ Zone 3a
✅ Zone 3b
✅ Zone 4a
✅ Zone 4b
✅ Zone 5a
✅ Zone 5b
✅ Zone 6a
✅ Zone 6b
✅ Zone 7a
✅ Zone 7b
✅ Zone 8a
✅ Zone 8b
Won't grow outdoors in: very cold zones (below Zone 3a)
or very warm zones (above Zone 9b).
Kohlrabi struggles in zones with very short cool seasons or intense summer heat.
Frequently Asked Questions
Kohlrabi grows in USDA Zones 3a–9b.
Yes — Kohlrabi is beginner-friendly.
Yes — use a 5+ gallon pot.
Kohlrabi is safe for dogs and safe for cats.
Get a free planting calendar for your zone
Free. No spam.
✅ You're in! Check your inbox.
Free. No spam. Unsubscribe any time.