When to Plant Cabbage in New Hampshire
A satisfying crop that stores well. Plant in spring or fall for crisp, dense heads.
The Short Answer
New Hampshire Frost Dates
Your planting dates depend on which part of New Hampshire you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern New Hampshire | 3b, 4a, 4b | May 20 - Jun 5 | Sep 10 - Sep 25 |
| Southern New Hampshire | 5a, 5b, 6a | May 1 - May 20 | Sep 25 - Oct 10 |
Cabbage Planting Schedule for New Hampshire
Northern New Hampshire (Zones 3b, 4a, 4b)
Average last frost: May 20 - Jun 5 · Average first frost: Sep 10 - Sep 25
Southern New Hampshire (Zones 5a, 5b, 6a)
Average last frost: May 1 - May 20 · Average first frost: Sep 25 - Oct 10
Growing Cabbage in New Hampshire
Cabbage in New Hampshire's Climate
Your cold climate is excellent cabbage country. Transplant 2-3 weeks before your last frost — cabbage handles frost well. Fall cabbage is equally rewarding: start indoors in mid-June, transplant in mid-July, and harvest dense, sweet heads after frost. Storage varieties like Danish Ballhead keep for months in a cold garage or root cellar.
Soil Considerations for New Hampshire
Rocky, acidic New England soils. Glacial deposits. Granite bedrock. Raised beds essential in many areas.
New Hampshire Climate & Growing Season
Short growing season especially in north. Cold winters. Cool summers. Hardy varieties important. Cabbage can handle frost well, which is an advantage in New Hampshire's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across New Hampshire: Northern New Hampshire (3b, 4a, 4b) has a last frost around May 20 - Jun 5, while Southern New Hampshire (5a, 5b, 6a) sees frost end around May 1 - May 20. This difference matters for cabbage — but cabbage handle frost well, so the timing difference is less critical.
Growing Tips
Consistent watering prevents head splitting. Heads can handle light frost — it actually improves flavor.
Companion Planting
Plant cabbage alongside these companions for better growth:
Keep cabbage away from:
The Bottom Line
Last reviewed: March 29, 2026