Zone-Specific Guide
Grow Kohlrabi in Zone 3a
Your complete guide to growing kohlrabi in USDA Hardiness Zone 3a — planting windows, care tips, and harvest timing.
Summer
🌡️ Zone 3a
Days to Harvest
45–60
Spacing
6–10"
Method
Both
Season
Summer
When to Plant Kohlrabi in Zone 3a
Start Indoors
Mar 15 – May 1
Transplant Outdoors
May 1 – Jun 15
How to Grow Kohlrabi in Zone 3a
📋 Key Timing Note
Short season. Start indoors and transplant after last frost. Choose fast-maturing varieties. Cool summer temps are actually ideal for these crops.
Start seeds indoors during Mar 15 – May 1. Transplant seedlings outdoors between May 1 – Jun 15. Space plants 6–10" apart. Expect to harvest in approximately 45–60 days.
Common Pests in Zone 3a
Watch for these pests when growing kohlrabi in your area.
Frequently Asked Questions
When should I plant Kohlrabi in Zone 3a?
Start seeds indoors Mar 15 – May 1. Transplant outdoors May 1 – Jun 15.
How far apart should I plant Kohlrabi in Zone 3a?
Space kohlrabi plants 6–10" apart in Zone 3a. This gives them adequate room for airflow and root development.
What pests affect Kohlrabi in Zone 3a?
Common pests for kohlrabi in Zone 3a include cabbage worms, aphids. Use companion planting and row covers as first-line defense.
How long until Kohlrabi is ready to harvest in Zone 3a?
In Zone 3a, expect kohlrabi to be ready in approximately 45–60 days from planting. Short season. Start indoors and transplant after last frost. Choose fast-maturing varieties. Cool summer temps are actually ideal for these crops.