When to Plant Garlic in North Dakota (2026 Guide)

Growing garlic in North Dakota is a rewarding endeavor for any home gardener. With the median last spring frost occurring around May 12 in Zone 5b, gardeners should plan their planting to maximize the growing season. This hardy crop not only produces delicious bulbs but also offers the opportunity to utilize garden space effectively during the fall months when other crops have been harvested.

Garlic generally thrives when planted in the fall, allowing it to establish roots over the winter before the growing season begins. North Dakota gardeners can look forward to a successful garlic harvest in June through August, with the right planting dates ensuring a bulb maturation that coincides with the shift in seasons. With a frost-free season of about 134 days in Zone 5b, timing is critical.

Different garlic varieties cater to distinct growing conditions; therefore, understanding the subtle differences amongst growing zones is essential. For instance, Zone 5a has a later spring frost date of May 16, which still affords a great window for garlic planting. By following regional guidelines, gardeners can enjoy bountiful harvests of this flavorful crop that can be stored for months.

Planting Schedule by USDA Zone in North Dakota

ZoneIndoor startTransplant outDirect sowHarvest
Zone 5bStart February 15 – March 1, ~6–8 weeks before May 12Transplant outdoors April 1 – April 15, ~4–6 weeks before last frostDirect sow not applicable for garlicHarvest from July 15 – August 15, when 60–70% of lower leaves have yellowed
Zone 5aStart February 25 – March 10, ~6–8 weeks before May 16Transplant outdoors April 10 – April 20, ~4–6 weeks before last frostDirect sow not applicable for garlicHarvest from July 25 – August 10, when 60–70% of lower leaves have yellowed

Garlic Planting Windows in North Dakota

Common Mistakes Growing Garlic in North Dakota

  1. Many inexperienced gardeners in North Dakota may plant garlic too late in the spring, risking freeze damage after the last frost. It's critical to remember that garlic requires a cool period for best results, and missing the late April window can jeopardize a successful harvest.
  2. Neglecting to remove garlic scapes can lead to diminished bulb size. A common mistake in North Dakota gardens is allowing the plant's energy to go towards flower production rather than bulb expansion, so cutting scapes helps maximize the harvest.
  3. North Dakota's variable spring weather can be a challenge; late snowfalls can happen even as late as May. Planting garlic too close to potential frost dates or inclement weather can harm young plants that thrive with consistent warmth.
  4. Improper storage can significantly affect garlic's shelf life. Many gardeners in North Dakota may not cure garlic correctly post-harvest, leading to bulbs that spoil quickly. Properly drying and storing garlic is essential for enjoying your harvest throughout the seasons.
  5. Some gardeners believe any garlic can be planted in any condition. However, the harsh climate of North Dakota requires selecting the right varieties, particularly hardneck garlic, which adapts better to colder winters and yields a more robust harvest.

Frequently Asked Questions

What if I'm in a cold pocket of North Dakota?

If you find yourself in a cooler area of North Dakota, you can adjust your planting dates accordingly. Consider starting your bulbs indoors earlier and transplanting them as soon as the ground thaws, but be cautious of any late frosts.

Can I still plant garlic in May?

While it's best to plant garlic in the fall, if you've missed the window, you can still try planting it in May. However, be aware that it may not produce as large of bulbs and could be susceptible to frost damage.

When should I remove garlic scapes?

Garlic scapes should be removed in June when they start to curl, as this redirects the plant's energy towards bulb growth. Removing scapes can lead to larger garlic bulbs at harvest.

How do I properly cure harvested garlic?

After harvesting, hang garlic in bundles or lay them flat in a single layer in a shaded, well-ventilated area for 3–6 weeks to cure. Proper curing is essential for long-lasting storage and flavor retention.

What is the best way to store garlic?

Store cured garlic in a cool, dry place ideally between 55–65°F. A pantry works well, but avoid refrigeration of uncured garlic, as it can trigger sprouting, which diminishes its quality.

Keep Learning

City guides in North Dakota

Other crops in North Dakota

Typical fall sowing window for Garlic in North Dakota: September 24 – October 15.