When to Plant Cabbage in USDA Zone 1a
Cabbage is a versatile cool-season crop that forms dense, leafy heads in green, red, or savoy varieties. It is a staple for coleslaw, sauerkraut, and many global cuisines.
In Zone 1a, the average last spring frost is around June 15 and the first fall frost is around August 15, giving you a growing season of approximately 61 days.
Cabbage Planting Timeline — Zone 1a
Where Is USDA Zone 1a?
The map below highlights the states that contain Zone 1a. Click any state to see the Cabbage planting schedule for that location.
Cabbage Planting Calendar — Zone 1a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | May 4 | May 4 – May 18 |
| Transplant Outdoors | June 15 | Jun 15 – Jun 29 |
| Direct Sow | June 8 | Jun 8 – Jun 29 |
| Harvest | August 17 | Aug 17 – Oct 12 |
| Fall Sowing | May 23 | May 23 – Jun 6 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Start Indoors Fall Sowing |
| June | Transplant Outdoors Direct Sow Fall Sowing |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Free Zone 1a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 1a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
0.9"/week · Moderate — regular watering
Days to Maturity
60–100 days
Soil pH
6 – 7.5
Zone Temperature Range
-60°F to -55°F average annual minimum
Growing Season
61 days (Zone 1a average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 15 inches apart |
| Row Spacing | 24 inches between rows |
Growing Tips for Cabbage in Zone 1a
Zone 1a has a short growing season (~61 days). Start Cabbage indoors early and use season-extension techniques like row covers and cold frames.
Start seeds indoors 4-6 weeks before last frost. Space plants 18-24 inches apart. Keep soil evenly moist to prevent heads from splitting.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Saving Cabbage Seeds
Recommended for Your Garden
Full-spectrum LED lights for starting seeds indoors when daylight is limited.
Warm soil for faster germination of heat-loving crops like tomatoes and peppers.
Protect plants from frost, wind, and pests while letting light and water through.
Related Plants
Cabbage in Other Zones
Cabbage 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 Cabbage in Zone 1a?
In Zone 1a, plan your Cabbage planting around the average last frost date of June 15. Start seeds indoors around May 4. Direct sow outdoors around June 8. Transplant seedlings around June 15.
Can Cabbage grow in Zone 1a?
Yes, Cabbage can grow well in Zone 1a, hardy in USDA zones 1a through 10b. Zone 1a has a growing season of approximately 61 days, which is sufficient for Cabbage (60-100 days to maturity).
When can I harvest Cabbage in Zone 1a?
In Zone 1a, expect to harvest Cabbage from August 17 – October 12. Cabbage takes 60-100 days from planting to harvest.
What is the last frost date for Zone 1a?
The average last spring frost in Zone 1a is around June 15, and the first fall frost is around August 15. This gives a growing season of approximately 61 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Cabbage?
Good companion plants for Cabbage include Celery, Dill, Onion, Potatoes. These companions can help with pest control, pollination, and nutrient sharing.
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