Best Plants For Union, IA

plants by zone map for Union, IA

A variety of plants are suitable for Union's climate. According to our data, the growing zone for the area is 5a, with average annual lows of -20 to -15 degrees Fahrenheit. Scroll down for a full list of the best plants for Union, IA based on our analysis of the region's climate.

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

For flower beds, go with choices like aster, azaleas and bee balm for the best results.

Metal Seed Storage Box

Metal Seed Storage Box

Organized storage solution for your seed collection.
Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.

Trees for Union

American Beech (Fagus grandifolia)
American Elm (Ulmus americana)
Black Cherry (Prunus serotina).
Black Walnut (Juglans nigra)
Colorado Blue Spruce (Picea pungens)
Douglas Fir (Pseudotsuga menziesii)
Eastern Hemlock (Tsuga canadensis)
Eastern Red Cedar (Juniperus virginiana)
Littleleaf Linden (Tilia cordata)
Northern Red Oak (Quercus rubra)
Red Maple (Acer rubrum)
River Birch (Betula nigra)
Sugar Maple (Acer saccharum)
Sweet Birch (Betula lenta)
White Ash (Fraxinus americana)
White Birch (Betula papyrifera)
White fir (Abies concolor)
White Oak (Quercus alba)
White Pine (Pinus strobus)
Yellow Birch (Betula alleghaniensis)

Fruits for Union

Apples
Apricots
Blackberries
Blueberries
Cherries
Concord Grapes
Currants
Elderberries
Gooseberries
Grapes
Hardy Kiwi
Mulberries
Peaches
Pears
Plums
Quince
Raspberries
Rhubarb
Saskatoon Berry
Strawberries
Hydroponic Garden Grow Kit

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

Flowers for Union

Aster
Azaleas
Bee Balm
Black-Eyed Susans
Columbines
Coneflowers
Daffodils
Daylilies
Garden Phlox
Hostas
Hydrangeas
Irises
Marigolds
Peonies
Primrose
Rhododendrons
Rudbeckia
Russian Sage
Sunflowers
Tulips

Vegetables for Union

Beets
Broccoli
Brussels sprouts
Cabbage
Carrots
Cauliflower
Cucumbers
Green beans
Kale
Lettuce
Onions
Peas
Peppers
Potatoes
Radishes
Spinach
Squash
Swiss chard
Tomatoes
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 Union, IA climate.

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

Map of IA Hardiness Zones

plants by zone map for Union, IAChoose plants with your zone in mind

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

Stainless Steel Garden Tool Set

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Brass Decorative Faucet Handle

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.
Raised Garden Bed Kit

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.
Rustic Iron Garden Trellis

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Best Time to Plant in Union

Check the growing calendar for Union 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.

Metal Seed Storage Box

Metal Seed Storage Box

Organized storage solution for your seed collection.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
Hydroponic Garden Grow Kit

Hydroponic Garden Grow Kit

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

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.
Small Greenhouse Kit

Small Greenhouse Kit

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

Union's Temperature

USDA Growing Zone: 5a

Zip Codes: 50258

Longitude: -93.0625

Latitude: 42.2435

Lowest Avg Temperatures (F): -20 to -15

The USDA growing zone is 5a in Union, 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 Union is -20 to -15 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Union, IA.

Map of Union

Fiskars Garden Harvest Basket

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.
Hydroponic Garden Grow Kit

Hydroponic Garden Grow Kit

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

Cluck Around Sign

Whimsical sign for your chicken coop area.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.
Wooden Chicken Coop

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

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.

Stainless Steel Garden Tool Set

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.
Seed Starting Trays

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.
Brass Watering Can

Brass Watering Can

Elegant brass watering can with classic design and durability.

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 Seed Storage Box

Metal Seed Storage Box

Organized storage solution for your seed collection.
Hydroponic Garden Grow Kit

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.
Large Greenhouse Kit

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

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