Powers Lake, ND frost dates
Last spring frostMay 18median date
First fall frostSep 17median date
Growing season122 daysfrost-free
Hardiness zone4aZone 4a
How Powers Lake compares
- In 8 years out of 10, the last spring frost in Powers Lake falls between May 6 and June 1, a 26-day window. The first fall frost falls between September 4 and September 28.
- The median last frost is 6 days later than the North Dakota median of May 12.
- Its 122-day growing season is among the shortest of the 372 North Dakota places with a regular frost season.
- The last frost is 6 days later than the zone 4a median of May 12. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4a chart.
- The weather station records an average of 208 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 6 |
| 50% (median) | May 18 |
| 10% (safe for tender plants) | June 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 4 |
| 50% (median) | September 17 |
| 90% (late) | September 28 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Powers Lake, ND
Powers Lake, ND frost dates — last frost May 18, first frost Sep 17, zone 4a. whenisthelastfrost.com
Crop
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Start indoors: Feb 23 to Mar 9Transplant outside: Apr 20 to May 4
Start indoors: Mar 9 to Mar 23Transplant outside: Jun 1 to Jun 15
Start indoors: Mar 9 to Mar 23Transplant outside: Jun 1 to Jun 15
Start indoors: Mar 23 to Apr 6Transplant outside: May 25 to Jun 8
Start indoors: Mar 23 to Apr 6Transplant outside: Apr 27 to May 11Sow outdoors: Apr 20 to May 25Plant for fall: Jul 23 to Aug 20
Start indoors: Mar 23 to Apr 6Transplant outside: Apr 20 to May 4Sow outdoors: Apr 20 to May 4Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 23 to Apr 6Transplant outside: May 4 to May 18Plant for fall: Jun 11 to Jul 2
Start indoors: Mar 23 to Apr 6Transplant outside: Apr 27 to May 11Plant for fall: Jun 11 to Jul 2
Start indoors: Mar 23 to Apr 6Transplant outside: May 4 to May 18Plant for fall: Jun 11 to Jul 2
Start indoors: Apr 6 to Apr 20Transplant outside: Jun 8 to Jun 22Sow outdoors: Jun 8 to Jun 22
Start indoors: Apr 6 to Apr 20Transplant outside: May 25 to Jun 8
Sow outdoors: Apr 6 to Apr 27Plant for fall: Jun 25 to Jul 16
Sow outdoors: Apr 6 to Apr 27Plant for fall: Jul 23 to Aug 13
Sow outdoors: Apr 13 to May 25Plant for fall: Aug 6 to Aug 27
Start indoors: Apr 20 to Apr 27Transplant outside: Jun 1 to Jun 8Sow outdoors: May 25 to Jun 8Plant for fall: Jul 2 to Jul 16
Start indoors: Apr 20 to Apr 27Sow outdoors: May 25 to Jun 8Plant for fall: Jul 9 to Jul 23
Start indoors: Apr 20 to Apr 27Sow outdoors: May 25 to Jun 8
Start indoors: Apr 20 to Apr 27Transplant outside: Jun 1 to Jun 15
Sow outdoors: Apr 27 to May 25Plant for fall: Jun 25 to Jul 9
Sow outdoors: Apr 27 to May 25Plant for fall: Jul 9 to Jul 23
Sow outdoors: Apr 27 to May 18
Sow outdoors: May 4 to Jun 1Plant for fall: Jul 9 to Jul 23
Sow outdoors: May 4 to May 25Plant for fall: Jul 23 to Aug 13
Sow outdoors: May 25 to Jun 15Plant for fall: Jul 2 to Jul 16
Sow outdoors: May 25 to Jun 8
Transplant outside: Jun 1 to Jun 22
Plant for fall: Sep 3 to Oct 8
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Powers Lake, ND
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 23 – Mar 9 | Apr 20 – May 4 | — | — |
| Peppers | Mar 9 – Mar 23 | Jun 1 – Jun 15 | — | — |
| Eggplant | Mar 9 – Mar 23 | Jun 1 – Jun 15 | — | — |
| Tomatoes | Mar 23 – Apr 6 | May 25 – Jun 8 | — | — |
| Lettuce | Mar 23 – Apr 6 | Apr 27 – May 11 | Apr 20 – May 25 | Jul 23 – Aug 20 |
| Kale | Mar 23 – Apr 6 | Apr 20 – May 4 | Apr 20 – May 4 | Jul 9 – Jul 30 |
| Broccoli | Mar 23 – Apr 6 | May 4 – May 18 | — | Jun 11 – Jul 2 |
| Cabbage | Mar 23 – Apr 6 | Apr 27 – May 11 | — | Jun 11 – Jul 2 |
| Cauliflower | Mar 23 – Apr 6 | May 4 – May 18 | — | Jun 11 – Jul 2 |
| Okra | Apr 6 – Apr 20 | Jun 8 – Jun 22 | Jun 8 – Jun 22 | — |
| Basil | Apr 6 – Apr 20 | May 25 – Jun 8 | — | — |
| Peas | — | — | Apr 6 – Apr 27 | Jun 25 – Jul 16 |
| Spinach | — | — | Apr 6 – Apr 27 | Jul 23 – Aug 13 |
| Radishes | — | — | Apr 13 – May 25 | Aug 6 – Aug 27 |
| Cucumbers | Apr 20 – Apr 27 | Jun 1 – Jun 8 | May 25 – Jun 8 | Jul 2 – Jul 16 |
| Zucchini & Summer Squash | Apr 20 – Apr 27 | — | May 25 – Jun 8 | Jul 9 – Jul 23 |
| Winter Squash & Pumpkins | Apr 20 – Apr 27 | — | May 25 – Jun 8 | — |
| Melons & Watermelon | Apr 20 – Apr 27 | Jun 1 – Jun 15 | — | — |
| Carrots | — | — | Apr 27 – May 25 | Jun 25 – Jul 9 |
| Beets | — | — | Apr 27 – May 25 | Jul 9 – Jul 23 |
| Potatoes | — | — | Apr 27 – May 18 | — |
| Swiss Chard | — | — | May 4 – Jun 1 | Jul 9 – Jul 23 |
| Cilantro | — | — | May 4 – May 25 | Jul 23 – Aug 13 |
| Green Beans | — | — | May 25 – Jun 15 | Jul 2 – Jul 16 |
| Sweet Corn | — | — | May 25 – Jun 8 | — |
| Sweet Potatoes | — | Jun 1 – Jun 22 | — | — |
| Garlic | — | — | — | Sep 3 – Oct 8 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Powers Lake 1n, ND weather station, 10 km away (elevation 2,205 ft (672 m)).
Frost dates near Powers Lake
- Mcgregor May 18 · Sep 17
- Columbus May 18 · Sep 17
- Lignite May 20 · Sep 19
- Flaxton May 20 · Sep 19
- Noonan May 17 · Sep 23
- Bowbells May 20 · Sep 19
- Wildrose May 18 · Sep 20
- Portal May 20 · Sep 19
- Tioga May 11 · Sep 26
- Stanley May 17 · Sep 23
Frequently asked questions
When is the last frost in Powers Lake, ND?
The median last spring frost in Powers Lake, ND is May 18. There is still about a 10% chance of frost after June 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Powers Lake, ND?
The median first fall frost is September 17, with about a 10% chance of frost before September 4.
How long is the growing season in Powers Lake, ND?
About 122 days between the median last spring frost and first fall frost.
What planting zone is Powers Lake, ND?
Powers Lake, ND is in USDA hardiness zone 4a.