North Dakota Planting Guide & Growing Season
North Dakota is in USDA hardiness zone with a growing season of 130 days. The average last spring frost is May 1 - May 30 and the average first fall frost is Sep 15 - Oct 1.
Growing Conditions in North Dakota
How North Dakota Compares
Compare North Dakota's growing conditions with states that have similar climates.
| State | USDA Zone | Last Frost | First Frost | Season (days) |
|---|---|---|---|---|
| North Dakota (ND) | May 1 - May 30 | Sep 15 - Oct 1 | 130 | |
| Alabama (AL) | Mar 1 - Apr 1 | Oct 25 - Nov 15 | 220 | |
| Alaska (AK) | May 15 - Jun 15 | Aug 15 - Sep 15 | 105 | |
| Arizona (AZ) | Feb 1 - Apr 15 | Oct 15 - Dec 15 | 270 | |
| Arkansas (AR) | Mar 15 - Apr 15 | Oct 15 - Nov 1 | 210 | |
| California (CA) | Jan 15 - Apr 15 | Oct 15 - Dec 31 | 290 |
Frequently Asked Questions About Gardening in North Dakota
When should I start seeds indoors in North Dakota?
In North Dakota, the average last frost date is May 1 - May 30. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for North Dakota is undefined, with a growing season of approximately 130 days.
What USDA hardiness zone is North Dakota?
North Dakota falls in USDA hardiness zones undefined. This affects which perennial plants will survive winter and influences optimal planting times.
When is the first frost in North Dakota?
The average first frost date in North Dakota is Sep 15 - Oct 1. Plan to harvest cold-sensitive crops before this date or protect them with row covers.
How long is the growing season in North Dakota?
North Dakota has an average growing season of 130 days, from the last frost (May 1 - May 30) to first frost (Sep 15 - Oct 1). This shorter season requires starting many crops indoors and choosing quick-maturing varieties.
Plan Your Garden
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