When to Plant Collard Greens in USDA Zone 7b
Collard greens are a heat-tolerant member of the cabbage family with large, sturdy leaves. They are a Southern staple and one of the most nutritious leafy greens.
In Zone 7b, the average last spring frost is around March 18 and the first fall frost is around November 8, giving you a growing season of approximately 235 days.
Collard Greens Planting Timeline — Zone 7b
Where Is USDA Zone 7b?
The map below highlights the states that contain Zone 7b. Click any state to see the Collard Greens planting schedule for that location.
Collard Greens Planting Calendar — Zone 7b
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 11 | Feb 11 – Feb 25 |
| Transplant Outdoors | March 18 | Mar 18 – Apr 1 |
| Direct Sow | March 4 | Mar 4 – Mar 25 |
| Harvest | May 13 | May 13 – Jul 15 |
| Fall Sowing | August 30 | Aug 30 – Sep 13 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Free Zone 7b Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7b with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Days to Maturity
55–75 days
Soil pH
6 – 7
Zone Temperature Range
5°F to 10°F average annual minimum
Growing Season
235 days (Zone 7b average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 15 inches apart |
| Row Spacing | 24 inches between rows |
Succession Planting Collard Greens in Zone 7b
Sow every 6.3 weeks for continuous harvest throughout the season.
Growing Tips for Collard Greens in Zone 7b
Start seeds indoors or direct sow 4-6 weeks before last frost. Harvest lower leaves first, leaving the growing tip intact. Flavor improves after exposure to frost.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Saving Collard Greens Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Collard Greens in Other Zones
Collard Greens by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Collard Greens in Zone 7b?
In Zone 7b, plan your Collard Greens planting around the average last frost date of March 18. Start seeds indoors around February 11. Direct sow outdoors around March 4. Transplant seedlings around March 18.
Can Collard Greens grow in Zone 7b?
Yes, Collard Greens can grow well in Zone 7b, hardy in USDA zones 2a through 11b. Zone 7b has a growing season of approximately 235 days, which is sufficient for Collard Greens (55-75 days to maturity).
When can I harvest Collard Greens in Zone 7b?
In Zone 7b, expect to harvest Collard Greens from May 13 – July 15. Collard Greens takes 55-75 days from planting to harvest.
What is the last frost date for Zone 7b?
The average last spring frost in Zone 7b is around March 18, and the first fall frost is around November 8. This gives a growing season of approximately 235 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Collard Greens?
Good companion plants for Collard Greens include Onion, Potatoes, Thyme, Rosemary. These companions can help with pest control, pollination, and nutrient sharing.
Plan Your Garden with Confidence
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