New Boston, NH Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in New boston, NH, based on the USDA Hardiness Zone 5b.

New boston, NH Frost Dates & Growing Season

Last Spring Frost Date for New boston, NH

The average last frost date in spring for New boston is May 12th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 26th before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.

First Fall Frost Date for New boston, NH

The average first frost date in fall for New boston is October 1st. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.

Growing Season Length in New boston, NH

Based on historical frost data, the estimated growing season length in New boston is approximately 142 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.

Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.

New boston, NH Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
Generating calendar...

New boston, NH Monthly Planting Recommendations

March

In March, recommended activities include starting Brussel Sprout seeds indoors (from March 31st to April 14th), starting Moonflower seeds indoors (from March 31st to April 14th), and direct sowing Pea (from March 31st to April 14th).

April

In April, recommended activities include direct sowing Lettuce (from April 14th to April 28th), starting Pumpkin seeds indoors (from April 21st to April 28th), and direct sowing Radish (from April 14th to April 28th).

May

In May, recommended activities include direct sowing Butterfly Pea (from May 26th to June 9th), direct sowing Cucumber (from May 19th to June 2nd), and direct sowing Cantaloupe (from May 19th to June 2nd).