What USDA Hardiness Zone Is New Hampshire?

New Hampshire’s Planting Zone: A Guide for Gardeners

New Hampshire is a beautiful state with a wide variety of landscapes, from the mountains of the White Mountains to the seacoast of the Atlantic Ocean. This diversity in terrain means that there are many different planting zones in New Hampshire, each with its own unique climate and growing conditions.

In this guide, we’ll take a closer look at New Hampshire’s planting zones and what they mean for gardeners. We’ll also provide some tips on how to choose the right plants for your garden, no matter what zone you live in.

So whether you’re a new gardener or you’ve been gardening in New Hampshire for years, read on for all the information you need to know about planting zones!

Zone	USDA Hardiness Zone	Description
5	USDA Zone 5	The average annual minimum temperature ranges from -20 to -10 F (-29 to -23 C).
6	USDA Zone 6	The average annual minimum temperature ranges from -10 to 0 F (-23 to -18 C).
7	USDA Zone 7	The average annual minimum temperature ranges from 0 to 10 F (-18 to -12 C).

New Hampshire’s Climate

New Hampshire has a humid continental climate with cold winters and warm summers. The state is located in the northeastern United States and borders Vermont to the west, Maine to the east, Massachusetts to the south, and the Atlantic Ocean to the northeast.

The climate of New Hampshire is influenced by its location on the Atlantic coast, its proximity to the Canadian border, and its mountainous terrain. The state experiences four distinct seasons:

• Winter: Winters in New Hampshire are cold and snowy. The average temperature in January is 18 degrees Fahrenheit (-8 degrees Celsius). Snowfall totals vary from year to year, but the state typically receives an average of 40 inches of snow per year.
• Spring: Spring in New Hampshire is a time of transition. The weather is often cool and variable, with occasional snow showers. The average temperature in April is 44 degrees Fahrenheit (7 degrees Celsius).
• Summer: Summers in New Hampshire are warm and humid. The average temperature in July is 72 degrees Fahrenheit (22 degrees Celsius). The state experiences occasional heat waves, with temperatures reaching 90 degrees Fahrenheit (32 degrees Celsius) or higher.
• Fall: Fall in New Hampshire is a beautiful time of year. The leaves change color and the weather is mild. The average temperature in October is 54 degrees Fahrenheit (12 degrees Celsius).

The following table provides average monthly temperature and precipitation data for New Hampshire:

| Month | Temperature (F) | Precipitation (in.) |
|—|—|—|
| January | 18 | 3.2 |
| February | 24 | 3.2 |
| March | 36 | 3.8 |
| April | 44 | 4.1 |
| May | 54 | 4.1 |
| June | 62 | 3.8 |
| July | 72 | 3.5 |
| August | 70 | 3.2 |
| September | 62 | 3.4 |
| October | 54 | 3.8 |
| November | 44 | 3.5 |
| December | 36 | 3.2 |

Growing Season Length

The growing season in New Hampshire typically lasts from late May to early October. The length of the growing season varies from year to year, but it is typically between 130 and 140 days.

Frost Dates

The average date of the last frost in New Hampshire is around May 15th. The average date of the first frost is around October 15th. However, frost can occur at any time of year, so it is important to plant frost-tolerant plants in New Hampshire.

USDA Hardiness Zones

New Hampshire is located in USDA hardiness zones 4a to 6b. The following table provides a map of New Hampshire’s hardiness zones:

What are Hardiness Zones?

Hardiness zones are a system used to indicate the average minimum winter temperature for a given area. The USDA has developed a map of hardiness zones that is used by gardeners and horticulturists to determine which plants are suitable for a particular area.

New Hampshire’s Hardiness Zones

New Hampshire is located in USDA hardiness zones 4a to 6b. This means that the average minimum winter temperature in New Hampshire ranges from -20 degrees Fahrenheit (-29 degrees Celsius) to 0 degrees Fahrenheit (-18 degrees Celsius).

How to Find Your Hardiness Zone

You can find your hardiness zone by entering your zip code into the USDA’s hardiness zone map. The hardiness zone map is available on the USDA’s website.

New Hampshire has a humid continental climate with cold winters and warm summers. The state experiences four distinct seasons: winter, spring, summer, and fall. The growing season in New Hampshire typically lasts from late May to early October. The average date of the last frost in New Hampshire is around May 15th. The average date of the first frost is around October 15th. New Hampshire is located in USDA hardiness zones 4a to 6b. This means that the average minimum winter temperature in New Hampshire ranges from -20 degrees Fahrenheit (-2

What Planting Zone Is New Hampshire?

New Hampshire is located in USDA hardiness zones 4a to 6b. This means that the average annual minimum temperature in the state ranges from -20F to 0F. The hardiness zone map is a useful tool for gardeners in New Hampshire, as it can help them choose plants that are suitable for their climate.

Planting in New Hampshire

When choosing plants for your garden in New Hampshire, it is important to consider the hardiness zone and the specific climate conditions in your area. Some general tips for planting in New Hampshire include:

• Choose plants that are hardy to your zone.
• Plant in the spring or fall, when the weather is cool and the soil is moist.
• Water your plants regularly, especially during dry spells.
• Mulch your plants to help retain moisture and protect the roots from frost.
• Protect your plants from pests and diseases.

Common Gardening Challenges in New Hampshire

Gardeners in New Hampshire face a number of challenges, including:

• Cold winters. The average annual minimum temperature in New Hampshire ranges from -20F to 0F. This can make it difficult to grow some plants, especially those that are not hardy to cold weather.
• Short growing season. The growing season in New Hampshire is relatively short, lasting from about May to October. This means that gardeners need to plan their gardens carefully and get a head start on planting.
• Late frosts. Frosts can occur as late as June in New Hampshire, which can damage or kill tender plants. Gardeners should protect their plants from frost by covering them with frost cloth or row covers.
• Heavy snow. New Hampshire receives an average of 40 inches of snow each year. This can make it difficult to get around the garden and to access plants. Gardeners should plan their gardens accordingly and make sure that they have access to snow removal equipment.

Resources for New Hampshire Gardeners

There are a number of resources available to help New Hampshire gardeners succeed. These include:

• Garden clubs and organizations. There are a number of garden clubs and organizations in New Hampshire that offer gardening classes, workshops, and social events. These clubs can be a great way to learn about gardening and to connect with other gardeners in your area.
• Online resources. There are a number of online resources available to help New Hampshire gardeners, including websites, blogs, and gardening apps. These resources can provide information on everything from plant selection to pest control.
• Nursery and garden centers. Nursery and garden centers are a great place to find plants, gardening supplies, and advice. The staff at these centers can help you choose the right plants for your garden and can provide tips on how to care for them.

Gardening in New Hampshire can be challenging, but it is also rewarding. By following these tips, you can grow a beautiful and thriving garden in your New Hampshire home.

What planting zone is New Hampshire?

New Hampshire is in planting zone 5b. This means that the average annual minimum temperature is between -10 and -20 degrees Fahrenheit.

What does this mean for my garden?

Planting zone 5b is a cold climate, so you will need to choose plants that are hardy to this climate. Some good choices for New Hampshire gardens include:

• Perennials:
• Astilbe
• Hosta
• Daylily
• Peony
• Iris
• Shrubs:
• Rhododendron
• Azalea
• Hydrangea
• Viburnum
• Rose
• Trees:
• Maple
• Oak
• Birch
• Pine
• Spruce

How can I protect my plants from the cold?

There are a few things you can do to protect your plants from the cold:

• Mulch around your plants to help insulate them from the cold.
• Cover your plants with frost cloth or row covers on cold nights.
• Bring tender plants indoors or into a cold frame for winter.

When should I plant my garden?

The best time to plant your garden in New Hampshire is in the spring, after the last frost date. This is typically around mid-May.

What about fall planting?

Fall planting is also possible in New Hampshire, but you will need to choose plants that are hardy to frost. Some good choices for fall planting include:

• Perennials:
• Aster
• Chrysanthemum
• Rudbeckia
• Sedum
• Yarrow
• Shrubs:
• Holly
• Barberry
• Viburnum
• Rose
• Clematis
• Trees:
• Maple
• Oak
• Birch
• Pine
• Spruce

I have more questions. Where can I get more information?

There are a few resources available to help you learn more about gardening in New Hampshire. Here are a few of them:

• The New Hampshire Extension Service: The New Hampshire Extension Service offers a variety of gardening resources, including publications, workshops, and classes.
• The University of New Hampshire Cooperative Extension: The University of New Hampshire Cooperative Extension also offers a variety of gardening resources, including publications, workshops, and classes.
• The New Hampshire Nursery and Landscape Association: The New Hampshire Nursery and Landscape Association provides a list of certified nurseries and landscapers in New Hampshire.
• The New Hampshire Garden Club Federation: The New Hampshire Garden Club Federation provides a list of garden clubs in New Hampshire.

New Hampshire is located in USDA plant hardiness zone 5b, which means that it can withstand temperatures as low as -20 degrees Fahrenheit. This means that gardeners in New Hampshire have a wide variety of plants to choose from, including perennials, annuals, and vegetables. However, it is important to note that some plants may not be able to tolerate the cold winters in New Hampshire, so it is important to do your research before planting.

Here are some tips for gardening in New Hampshire:

• Choose plants that are hardy to zone 5b.
• Plant your garden in a location that gets full sun.
• Mulch your plants to help protect them from the cold.
• Water your plants regularly, especially during dry spells.
• Watch for signs of pests and diseases and take steps to control them.

With a little planning and care, you can enjoy a beautiful garden in New Hampshire year-round.