NH

New Hampshire Growing Guide

Capital: ConcordNortheast Region

Complete growing guide for New Hampshire gardeners. Learn what to plant, when to plant, and how to succeed with humid continental climate conditions across zones 3, 4, 5, 6.

3, 4, 5, 6

USDA Zones

110-170

Days Season

May 1

Last Frost (Early)

September 20

First Frost (Early)

Climate & Growing Conditions

Climate Type

Humid Continental

Growing season of 110 to 170 days

Frost Dates

Last Spring Frost: May 1May 30

First Fall Frost: September 20October 15

Common Soil Types

Glacial tillRockyRiver valley alluvial

⚠️ Growing Challenges

  • Short season
  • Rocky terrain
  • Cold microclimates
  • Moose damage

Growing Advantages

  • Clean environment
  • Strong local food movement
  • Cool summers

New Hampshire's Famous Crops

Apples
Maple syrup
Pumpkins
Christmas trees

📅 New Hampshire Monthly Planting Calendar

See what to plant each month in New Hampshire based on your local frost dates

View Monthly Calendar →

Resources

New Hampshire Cooperative Extension

Get expert local advice from your state's agricultural extension service

Visit New Hampshire Extension →

Weekly Growing Tips

Get seasonal planting reminders, crop rotation tips, and farm planning strategies delivered weekly.