Best Plants For Portsmouth, NH

A variety of plants are suitable for Portsmouth's climate. According to our data, the growing zone for the area is 6a, with average annual lows of -10 to -5 degrees Fahrenheit. Scroll down for a full list of the best plants for Portsmouth, NH based on our analysis of the region's climate.

If growing food is your aim, vegetables hardy to Portsmouth include beans, beets and bell peppers, while fruits like apples, apricot and blackberries will flourish.

For flower beds, go with choices like black-eyed susan, bleeding heart and butterfly bush for the best results.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Trees for Portsmouth

American Elm

Balsam Fir

Black Cherry

Black Walnut

Colorado Blue Spruce

Common Juniper

Dogwood

Eastern Redbud

Eastern White Pine

Honey Locust

Japanese Maple

Northern Red Oak

Norway Spruce

Paper Birch

Pin Oak

Red Maple

Sugar Maple

Sweetgum

White Ash

Yellow Buckeye

Fruits for Portsmouth

Apples

Apricot

Blackberries

Blueberries

Currants

Elderberries

Figs

Grapes

Hardy kiwi

Mulberries

Nectarines

Peach

Pears

Persimmons

Plums

Quince

Raspberries

Sour cherries

Strawberries

Sweet cherries

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

Flowers for Portsmouth

Black-eyed Susan

Bleeding heart

Butterfly Bush

Columbine.

Coneflower

Daffodils

Daylily

Geranium

Hydrangea

Lavender

Marigold

Pansies

Peony

Rhododendron

Rose

Salvia

Shasta Daisy

Sunflower

Tulips

Zinnia

Vegetables for Portsmouth

Beans

Beets

Bell Peppers

Broccoli

Carrots

Cauliflower

Corn

Cucumbers

Eggplant

Green Onions

Kale

Lettuce

Peas

Radishes

Spinach

Squash

Swiss Chard

Tomatoes

Turnips

Zucchini

Frequently Asked Questions

Have questions about plants for your area? Check out our FAQ below for quick answers to common questions about what plants grow best in the Portsmouth, NH climate.

Map of NH Hardiness Zones

Choose plants with your zone in mind

Choosing plants based on the growing zone for Portsmouth ensures that your plants will be able to survive the lowest annual temperatures in your area of New Hampshire.

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Need Gardening Gear?

The Plant Guide Online has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Raised vegetable bed rows in zone 8a

Portsmouth's Temperature

The USDA growing zone is 6a in Portsmouth, NH. This is a measure of the lowest temperature that a plant can survive, helping to decide what plants would be suitable for the region's climate. According to our records, the average annual extreme minimum temperature in Portsmouth is -10 to -5 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Portsmouth, NH.

Map of Portsmouth

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

All Towns In NH

Tools You'll Love

The Plant Guide Online has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Plants For Other States

Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.