Growing Collard Greens in Zone 7b
Zone 7b has mild winters and a long growing season — good conditions for Collard Greens. Last frost: Apr 10. First frost: Nov 7.
Planting Calendar
Season: Apr 10 – Nov 7 (211 days)
When to Plant Collard Greens in Zone 7b
Start Seeds Indoors: Feb 27
Start Collard Greens seeds indoors around Feb 27 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.
Transplant Outdoors: Mar 20
Transplant Collard Greens seedlings outdoors after Mar 20. Wait until soil temperature reaches 45°F. Space plants at 18/sqft. Harden off plants for a week before moving outside.
Harvest: May 9
First harvest approximately May 9 (~50 days from transplant). Continue harvesting until first frost (Nov 7). Collard Greens can overwinter in mild climates for continued harvest.
Fall Planting: Aug 29
For a fall harvest, plant Collard Greens around Aug 29 (10 weeks before first frost).
Collard Greens in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bFrequently Asked Questions
When should I plant Collard Greens in Zone 7b?
Start Collard Greens seeds indoors around Feb 27. Transplant outdoors after Mar 20. Expect first harvest around May 9.
What is the last frost date for Zone 7b?
The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.
Can I grow Collard Greens in Zone 7b?
Yes. Collard Greens needs 60 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.
What is the best month to plant Collard Greens in Zone 7b?
The best time to start Collard Greens in Zone 7b is Feb. Begin seeds indoors around Feb 27, then transplant outdoors after the last frost date of Apr 10.
How long does Collard Greens take to harvest?
Collard Greens takes approximately 60 days from planting to harvest. In Zone 7b, expect your first harvest around May 9.
Plan Your Collard Greens Garden
Track Collard Greens from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Collard Greens Growing Guide