North Dakota’s extreme cold requires winter-hardy strawberry plants that can survive temperatures well below zero. If you’re looking for the best strawberries to grow in north dakota, you need varieties bred for harsh winters and short growing seasons. This guide covers top-performing cultivars, planting tips, and care strategies to help you enjoy sweet berries even in Zone 3 or 4 climates.
Strawberries are perennials, but in North Dakota, they need protection. The key is choosing June-bearing or everbearing types that go dormant early and resist winter injury. Let’s dig into the specifics.
Best Strawberries To Grow In North Dakota
After testing dozens of varieties, these six stand out for reliability, flavor, and cold hardiness. They are proven winners in northern gardens.
June-Bearing Varieties
June-bearers produce one large crop in early summer. They are the most common choice for North Dakota because they finish fruiting before extreme heat or drought.
- Honeoye – Very hardy, early ripening, and disease resistant. Berries are firm and sweet. It survives -30°F with snow cover.
- Kent – A Canadian variety bred for cold climates. It produces large, flavorful berries and tolerates heavy clay soil.
- Cavendish – Another Canadian gem. It has excellent winter hardiness and resists leaf diseases. Fruits are juicy and aromatic.
- Glooscap – Developed in Nova Scotia. It yields consistently even in poor seasons. Berries are deep red and perfect for freezing.
Everbearing Varieties
Everbearers produce two crops: one in early summer and another in fall. They are less hardy but work well with winter mulching.
- Ozark Beauty – A classic everbearer that survives Zone 3 with heavy straw mulch. Berries are medium-sized but very sweet.
- Fort Laramie – Developed in Wyoming. It is one of the hardiest everbearers. It produces fruit until frost and resists root rot.
Planting Tips For North Dakota Strawberries
Success starts with proper planting. Follow these steps for strong plants that survive winter.
Choose The Right Site
Strawberries need full sun—at least 6 to 8 hours daily. Avoid low spots where frost settles. Good drainage is critical; wet roots rot quickly in cold soil.
Test your soil pH. Strawberries prefer 5.5 to 6.5. Add sulfur to lower pH or lime to raise it. Work in 2 to 3 inches of compost before planting.
Plant At The Right Time
Plant in early spring as soon as the ground can be worked. Late April to mid-May is ideal in most of North Dakota. Avoid fall planting; young plants rarely survive the first winter.
- Dig holes deep enough to spread roots out. Do not bury the crown (the point where leaves emerge).
- Space plants 12 to 18 inches apart in rows 3 to 4 feet apart.
- Water thoroughly after planting. Keep soil moist but not soggy for the first two weeks.
Use The Matted Row System
This is the easiest method for home gardeners. Let runners fill in to form a 12- to 18-inch-wide mat. Remove extra runners to prevent overcrowding. A matted row reduces weed competition and protects crowns from cold.
Winter Protection Is Non-Negotiable
Even hardy varieties need help surviving North Dakota winters. Without protection, plants can die from desiccation or freeze-thaw cycles.
Mulch Before The First Hard Freeze
Wait until the ground freezes to about 1 inch deep—usually late October or early November. Then apply a 4- to 6-inch layer of clean straw, pine needles, or shredded leaves. Do not use hay, which contains weed seeds.
Remove mulch in early spring when new leaves start to grow. Leave some mulch between rows to suppress weeds and retain moisture.
Snow Is Your Friend
Snow insulates plants. If possible, let snow drift over your strawberry patch. Do not shovel snow away. A deep snow cover can keep soil temperatures above -10°F even when air temps drop to -40°F.
Watering And Fertilizing
Strawberries have shallow roots. They need consistent moisture, especially during fruiting.
Water Deeply, Not Often
Give plants 1 to 1.5 inches of water per week. Use drip irrigation or a soaker hose to keep leaves dry. Wet leaves invite fungal diseases like gray mold.
During hot, dry spells, water twice a week. Check soil moisture 2 inches down—if it feels dry, it’s time to water.
Fertilize Lightly
Too much nitrogen produces lush leaves but few berries. Apply a balanced fertilizer (10-10-10) at planting time. Side-dress with a low-nitrogen option (5-10-10) after harvest.
For everbearers, give a light feeding in mid-summer to support the fall crop. Avoid fertilizing after August; it encourages tender growth that winter kills.
Pest And Disease Management
North Dakota’s dry climate reduces some problems, but pests still appear. Watch for these common issues.
Common Pests
- Tarnished plant bugs – They cause deformed berries. Control with insecticidal soap or neem oil.
- Slugs – They hide under mulch. Use diatomaceous earth or beer traps.
- Spider mites – They thrive in hot, dry weather. Spray with water or use predatory mites.
Common Diseases
- Gray mold (Botrytis) – Remove infected fruit immediately. Improve air circulation by spacing plants properly.
- Leaf spot – Remove affected leaves. Avoid overhead watering.
- Verticillium wilt – Rotate crops. Do not plant strawberries where tomatoes, peppers, or potatoes grew recently.
Harvesting And Storing
Pick berries when they are fully red. They do not ripen after picking. Harvest every two to three days during peak season.
Handle berries gently. Place them in shallow containers to avoid bruising. Refrigerate immediately and use within three to five days. For longer storage, freeze berries whole or sliced on a baking sheet, then transfer to freezer bags.
Renovating Your Strawberry Patch
After three to four years, yields decline. Renovate June-bearing beds after harvest to extend productivity.
- Mow or cut leaves to 1 inch above the crowns.
- Thin plants to 6 inches apart. Remove weak or diseased plants.
- Fertilize with 5-10-10 at 1 pound per 100 square feet.
- Water well and let new leaves grow.
Everbearers do not need renovation. Replace them every two to three years with fresh plants.
Frequently Asked Questions
Can I grow strawberries in containers in North Dakota?
Yes, but containers freeze solid in winter. Move pots to an unheated garage or bury them in the ground with mulch. Choose everbearers like Ozark Beauty for containers.
What is the best mulch for strawberries in cold climates?
Clean straw is best. It insulates well and does not compact. Avoid leaves that mat down and smother plants. Apply 4 to 6 inches after the ground freezes.
How do I protect strawberries from late spring frosts?
Cover blooming plants with row covers or old sheets overnight. Remove covers in the morning to allow pollination. A light frost can kill flowers, reducing the crop.
Should I remove flowers the first year?
For June-bearers, yes. Pinch off all flowers the first year to encourage strong root and runner growth. This leads to larger harvests in year two. Everbearers can fruit lightly the first year.
Why are my strawberries small?
Small berries often result from insufficient water, overcrowding, or old plants. Thin runners, water deeply, and renovate beds every three years. Also, check soil nutrients—low potassium can reduce fruit size.
Final Thoughts On Growing Strawberries In North Dakota
Growing strawberries in North Dakota is rewarding if you choose the right varieties and protect them from winter. Honeoye, Kent, and Cavendish are top picks for June-bearing. Ozark Beauty and Fort Laramie work well for everbearing. Plant in full sun, water consistently, and mulch heavily before the ground freezes. With proper care, you will enjoy fresh, sweet berries from your own garden for years to come.
Remember to test your soil, space plants correctly, and rotate beds to prevent disease. A little effort upfront pays off with bountiful harvests. Start with certified disease-free plants from a reputable nursery. Your North Dakota strawberry patch can be the envy of the neighborhood.