Zone-Specific Guide
Grow Collard Raab in Zone 6a
Your complete guide to growing collard raab in USDA Hardiness Zone 6a — planting windows, care tips, and harvest timing.
Spring/Fall
🌡️ Zone 6a
Days to Harvest
40–55
Spacing
4–6"
Method
Direct sow
Season
Spring/Fall
When to Plant Collard Raab 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 Collard Raab in Zone 6a
📋 Key Timing Note
Two good windows. Fall brassicas are often the best crop of the year.
Direct sow seeds between Mar 15 – May, Aug – Oct. Space plants 4–6" apart. Expect to harvest in approximately 40–55 days.
Common Pests in Zone 6a
Watch for these pests when growing collard raab in your area.
Frequently Asked Questions
When should I plant Collard Raab 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 Collard Raab in Zone 6a?
Space collard raab plants 4–6" apart in Zone 6a. This gives them adequate room for airflow and root development.
What pests affect Collard Raab in Zone 6a?
Common pests for collard raab in Zone 6a include flea beetles, aphids, cabbage worms. Use companion planting and row covers as first-line defense.
How long until Collard Raab is ready to harvest in Zone 6a?
In Zone 6a, expect collard raab to be ready in approximately 40–55 days from planting. Two good windows. Fall brassicas are often the best crop of the year.