Best Plants For Portsmouth, IA

plants by zone map for Portsmouth, IA

A variety of plants are suitable for Portsmouth's climate. According to our data, the growing zone for the area is 5b, with average annual lows of -15 to -10 degrees Fahrenheit. Scroll down for a full list of the best plants for Portsmouth, IA based on our analysis of the region's climate.

If growing food is your aim, vegetables hardy to Portsmouth include beets, broccoli and brussels sprouts, while fruits like apples, apricots and blackberries will flourish.

For flower beds, go with choices like asters, black-eyed susans (rudbeckia) and bleeding heart (dicentra spectabilis) for the best results.

Raised Garden Bed Kit

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Trees for Portsmouth

American Beech (Fagus grandifolia)
American Elm (Ulmus Americana)
American Sycamore (Platanus occidentalis)
Black Walnut (Juglans nigra)
Blue Spruce (Picea pungens)
Cottonwood (Populus deltoides)
Douglas Fir (Pseudotsuga menziesii)
Eastern Hemlock (Tsuga canadensis)
Eastern Redbud (Cercis canadensis)
Honey Locust (Gleditsia triacanthos)
Northern Red Oak (Quercus rubra)
Norway Spruce (Picea abies)
Red Maple (Acer rubrum)
Red Oak (Quercus rubra)
Silver Maple (Acer saccharinum)
Sugar Maple (Acer saccharum)
White Ash (Fraxinus americana)
White Birch (Betula papyrifera)
White Oak (Quercus alba)
White Pine (Pinus strobus)

Fruits for Portsmouth

Apples
Apricots
Blackberries
Blueberries
Cherries
Concord grapes
Currants
Elderberries
Figs
Gooseberries
Hardy kiwi
Honeyberries
Mulberries.
Peaches
Pears
Plums
Quince
Raspberries
Rhubarb
Strawberries
Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.
Raised Garden Bed Kit

Raised Garden Bed Kit

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

Flowers for Portsmouth

Asters
Black-Eyed Susans (Rudbeckia)
Bleeding Heart (Dicentra Spectabilis)
Coneflowers (Echinacea)
Daylilies (Hemerocallis)
Forsythia
Hardy Geraniums
Hostas
Hydrangeas
Iris
Lilacs (Syringa)
Marigolds (Tagetes)
Peonies (Paeonia)
Petunias
Rhododendrons
Roses (Rosa)
Shasta Daisy (Leucanthemum superbum)
Sunflowers (Helianthus)
Tulips (Tulipa)
Zinnias

Vegetables for Portsmouth

Beets
Broccoli
Brussels Sprouts
Cabbage
Carrots
Cauliflower
Cucumbers
Kale
Leeks
Lettuce
Onions
Peas
Pumpkins
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, IA climate.

Some of the best vegetables for Portsmouth, IA include beets, broccoli and brussels sprouts. Other recommended vegetables include Cabbage, Carrots and Cauliflower based on Portsmouth's USDA hardiness zone.

Map of IA Hardiness Zones

plants by zone map for Portsmouth, IAChoose 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 Iowa.

Hoeing Ain't Easy Garden Sign

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.
Raised Garden Planter

Raised Garden Planter

Elevated planter for easy access and better drainage.
Brass Watering Can

Brass Watering Can

Elegant brass watering can with classic design and durability.
Shiitake Mushroom Kit

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Best Time to Plant in Portsmouth

Check the growing calendar for Portsmouth at the Old Farmer's Almanac to see the best planting times for the region.

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.

Shiitake Mushroom Kit

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.
Reusable Grow Bags

Reusable Grow Bags

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

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.
@@town.primaryImage.altRaised vegetable bed rows in zone 8a

Portsmouth's Temperature

USDA Growing Zone: 5b

Zip Codes: 51565

Longitude: -95.5192

Latitude: 41.6501

Lowest Avg Temperatures (F): -15 to -10

The USDA growing zone is 5b in Portsmouth, IA. 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 -15 to -10 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Portsmouth, IA.

Map of Portsmouth

Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.
Hoeing Ain't Easy Garden Sign

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.
Shiitake Mushroom Kit

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
Seed Starting Trays

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

All Towns In IA

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.

Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.
Wooden Chicken Coop

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.
Shiitake Mushroom Kit

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.
Fiskars Garden Harvest Basket

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.
Worm Composting Kit

Worm Composting Kit

Complete kit for starting your own worm composting system.

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.

Alaska Alabama Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Iowa Idaho Illinois Indiana Kansas Kentucky Louisiana Massachusetts Maryland Maine Michigan Minnesota Missouri Mississippi Montana North Carolina North Dakota Nebraska New Hampshire New Jersey New Mexico Nevada New York Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Virginia Vermont Washington Wisconsin West Virginia Wyoming
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
Raised Garden Bed Kit

Raised Garden Bed Kit

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

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.
Hoeing Ain't Easy Garden Sign

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.
Brass Decorative Faucet Handle

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

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