Zone-Specific Guide
Grow Kohlrabi in Zone 6a
Your complete guide to growing kohlrabi in USDA Hardiness Zone 6a — planting windows, care tips, and harvest timing.
Spring/Fall
🌡️ Zone 6a
Days to Harvest
45–60
Spacing
6–10"
Method
Both
Season
Spring/Fall
When to Plant Kohlrabi in Zone 6a
Start Indoors
Feb 1 – Mar 15, Jul 1 – Aug 1
Transplant Outdoors
Apr 1 – May 15, Aug 15 – Oct 1
Direct Sow
Mar 15 – May, Aug – Oct
How to Grow Kohlrabi in Zone 6a
📋 Key Timing Note
Two good windows. Fall brassicas are often the best crop of the year.
Start seeds indoors during Feb 1 – Mar 15, Jul 1 – Aug 1. Transplant seedlings outdoors between Apr 1 – May 15, Aug 15 – Oct 1. Direct sow seeds between Mar 15 – May, Aug – Oct. Space plants 6–10" apart. Expect to harvest in approximately 45–60 days.
Common Pests in Zone 6a
Watch for these pests when growing kohlrabi in your area.
Frequently Asked Questions
When should I plant Kohlrabi in Zone 6a?
Start seeds indoors Feb 1 – Mar 15, Jul 1 – Aug 1. Transplant outdoors Apr 1 – May 15, Aug 15 – Oct 1.
How far apart should I plant Kohlrabi in Zone 6a?
Space kohlrabi plants 6–10" apart in Zone 6a. This gives them adequate room for airflow and root development.
What pests affect Kohlrabi in Zone 6a?
Common pests for kohlrabi in Zone 6a include cabbage worms, aphids. Use companion planting and row covers as first-line defense.
How long until Kohlrabi is ready to harvest in Zone 6a?
In Zone 6a, expect kohlrabi to be ready in approximately 45–60 days from planting. Two good windows. Fall brassicas are often the best crop of the year.