Echo, MN frost dates
How Echo compares
- In 8 years out of 10, the last spring frost in Echo falls between April 21 and May 18, a 27-day window. The first fall frost falls between September 17 and October 15.
- The median last frost is 1 day earlier than the Minnesota median of May 5.
- Its 150-day growing season is longer than 42% of the 801 Minnesota places with a regular frost season (state median 151 days).
- The last frost is 4 days earlier than the zone 4b median of May 8. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4b chart.
- The weather station records an average of 171 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 21 |
| 50% (median) | May 4 |
| 10% (safe for tender plants) | May 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 17 |
| 50% (median) | October 1 |
| 90% (late) | October 15 |
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 Echo, MN
Echo, MN frost dates — last frost May 4, first frost Oct 1, zone 4b. whenisthelastfrost.com
When to plant vegetables in Echo, MN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 9 – Feb 23 | Apr 6 – Apr 20 | — | — |
| Peppers | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Eggplant | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Tomatoes | Mar 9 – Mar 23 | May 11 – May 25 | — | — |
| Lettuce | Mar 9 – Mar 23 | Apr 13 – Apr 27 | Apr 6 – May 11 | Aug 6 – Sep 3 |
| Kale | Mar 9 – Mar 23 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | Jul 23 – Aug 13 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 9 – Mar 23 | Apr 13 – Apr 27 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jun 25 – Jul 16 |
| Okra | Mar 23 – Apr 6 | May 25 – Jun 8 | May 25 – Jun 8 | — |
| Basil | Mar 23 – Apr 6 | May 11 – May 25 | — | — |
| Peas | — | — | Mar 23 – Apr 13 | Jul 9 – Jul 30 |
| Spinach | — | — | Mar 23 – Apr 13 | Aug 6 – Aug 27 |
| Radishes | — | — | Mar 30 – May 11 | Aug 20 – Sep 10 |
| Cucumbers | Apr 6 – Apr 13 | May 18 – May 25 | May 11 – May 25 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 6 – Apr 13 | — | May 11 – May 25 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 6 – Apr 13 | — | May 11 – May 25 | — |
| Melons & Watermelon | Apr 6 – Apr 13 | May 18 – Jun 1 | — | — |
| Carrots | — | — | Apr 13 – May 11 | Jul 9 – Jul 23 |
| Beets | — | — | Apr 13 – May 11 | Jul 23 – Aug 6 |
| Potatoes | — | — | Apr 13 – May 4 | — |
| Swiss Chard | — | — | Apr 20 – May 18 | Jul 23 – Aug 6 |
| Cilantro | — | — | Apr 20 – May 11 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 11 – Jun 1 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 11 – May 25 | — |
| Sweet Potatoes | — | May 18 – Jun 8 | — | — |
| Garlic | — | — | — | Sep 17 – Oct 22 |
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 Granite Falls, MN weather station, 23 km away (elevation 932 ft (284 m)).
Frost dates near Echo
- Belview Apr 30 · Oct 10
- Wood Lake May 4 · Oct 1
- Vesta Apr 30 · Oct 10
- Seaforth Apr 30 · Oct 10
- Sacred Heart May 4 · Oct 1
- Hanley Falls May 4 · Oct 1
- Cottonwood May 5 · Oct 3
- Granite Falls May 4 · Oct 1
- Renville May 6 · Oct 1
- Milroy May 5 · Oct 3
Frequently asked questions
When is the last frost in Echo, MN?
The median last spring frost in Echo, MN is May 4. There is still about a 10% chance of frost after May 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Echo, MN?
The median first fall frost is October 1, with about a 10% chance of frost before September 17.
How long is the growing season in Echo, MN?
About 150 days between the median last spring frost and first fall frost.
What planting zone is Echo, MN?
Echo, MN is in USDA hardiness zone 4b.