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When to Plant Turnip in New Hampshire

Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.

New Hampshire spans USDA hardiness zones 4a, 4b, 5a, 5b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Turnip planting dates based on your local frost dates.

Hover over a county to see details. Click to view planting guide.

Turnip Planting Calendar for New Hampshire

Zone 4a ~145 day growing season · Full guide →

Last frost: May 6 · First frost: September 28 · 145 day season

Activity When Date Range
Direct Sow April 29 Apr 29 – May 20
Harvest June 10 Jun 10 – Jul 15
Fall Sowing July 6 Jul 6 – Jul 20
Zone 4b ~155 day growing season · Full guide →

Last frost: May 1 · First frost: October 3 · 155 day season

Activity When Date Range
Direct Sow April 24 Apr 24 – May 15
Harvest June 5 Jun 5 – Jul 10
Fall Sowing July 11 Jul 11 – Jul 25
Zone 5a ~166 day growing season · Full guide →

Last frost: April 25 · First frost: October 8 · 166 day season

Activity When Date Range
Direct Sow April 11 Apr 11 – May 2
Harvest May 23 May 23 – Jun 27
Fall Sowing July 30 Jul 30 – Aug 13
Zone 5b ~178 day growing season · Full guide →

Last frost: April 18 · First frost: October 13 · 178 day season

Activity When Date Range
Direct Sow April 4 Apr 4 – Apr 25
Harvest May 16 May 16 – Jun 20
Fall Sowing August 4 Aug 4 – Aug 18

Growing Tips for New Hampshire

Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.

Frequently Asked Questions

When should I plant Turnip in New Hampshire?

Planting dates for Turnip in New Hampshire depend on your USDA zone. New Hampshire spans zones 4a, 4b, 5a, 5b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is New Hampshire for planting?

New Hampshire contains USDA hardiness zones 4a, 4b, 5a, 5b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.