Best Plants 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.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Raised Garden Bed Kit

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

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

Reusable Grow Bags

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

Hoeing Ain't Easy Garden Sign

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

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.

Map of IA Hardiness Zones

Choose 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.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Hydroponic Garden Grow Kit

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

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.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Hoeing Ain't Easy Garden Sign

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

Brass Watering Can

Elegant brass watering can with classic design and durability.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Raised vegetable bed rows in zone 8a

Union's Temperature

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

Worm Composting Kit

Complete kit for starting your own worm composting system.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Hoeing Ain't Easy Garden Sign

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

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.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Hydroponic Garden Grow Kit

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

Stainless Steel Garden Tool Set

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

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.