When to plant in Pierz, MN
Planting dates worked out from Pierz's own frost records, not a generic zone chart.
Safe to plant out
May 20
1 year in 10 has a later frost
Average last frost
May 13
about a 50% chance of a later one
Average first fall frost
Sep 24
1 year in 10 by Sep 10
Frost-free days
135
median, 1991–2020
Station used: Little Falls Minnesota · 18.8 km away · station 350 m, town 358 m. How we match towns to stations
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Mar 25 – Apr 8 | May 20 – Jun 3 | Jul 14 |
| Sweet pepper | Mar 11 – Mar 25 | May 20 – Jun 3 | Jul 19 |
| Lettuce (leaf) | Mar 11 – Mar 18 | Apr 15 – Apr 29 | May 25 |
| Peas | — | Apr 15 – May 13 | Jun 9 |
| Bush beans | — | May 13 – Jun 3 | Jul 2 |
| Carrot | — | Apr 24 – Jun 5 | Jun 23 |
| Beet | — | Apr 24 – Jun 5 | Jun 13 |
| Potato | — | Apr 24 – May 15 | Jul 3 |
| Kale | Mar 11 – Mar 25 | Apr 22 – May 6 | Jun 4 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – May 6 | Jun 14 |
| Cucumber | Apr 22 – Apr 29 | May 20 – Jun 3 | Jul 9 |
| Summer squash and zucchini | Apr 22 – Apr 29 | May 20 – Jun 3 | Jul 4 |
| Winter squash | Apr 22 – Apr 29 | May 20 – Jun 3 | Aug 8 |
| Sweet corn | — | May 13 – Jun 3 | Jul 12 |
| Onion (from sets) | — | Apr 15 – May 6 | Jul 14 |
| Garlic | — | Sep 10 – Oct 8 (fall) | following summer |
| Spinach | — | Apr 15 – May 13 | May 23 |
| Basil | Apr 8 – Apr 22 | May 20 – Jun 3 | Jul 16 |
Pierz's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's last spring frostLong-term trend
See the data as a table
| Year | Last spring frost |
|---|---|
| 2004 | May 15 |
| 2005 | May 4 |
| 2006 | May 22 |
| 2007 | May 17 |
| 2008 | May 21 |
| 2009 | May 17 |
| 2010 | May 9 |
| 2011 | May 16 |
| 2012 | May 12 |
| 2013 | May 12 |
| 2014 | May 15 |
| 2015 | May 20 |
| 2016 | May 18 |
| 2017 | May 1 |
| 2018 | Apr 28 |
| 2019 | May 20 |
| 2020 | May 12 |
| 2021 | May 29 |
| 2022 | Apr 28 |
| 2023 | May 3 |
| 2024 | Apr 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2004 | 97 |
| 2005 | 146 |
| 2006 | 135 |
| 2007 | 117 |
| 2008 | 110 |
| 2009 | 142 |
| 2010 | 145 |
| 2011 | 120 |
| 2012 | 128 |
| 2013 | 153 |
| 2014 | 141 |
| 2015 | 132 |
| 2016 | 118 |
| 2017 | 160 |
| 2018 | 152 |
| 2019 | 143 |
| 2020 | 120 |
| 2021 | 140 |
| 2022 | 152 |
| 2023 | 158 |
| 2024 | 165 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2004 | 14.6 °C |
| 2005 | 16.4 °C |
| 2006 | 16.6 °C |
| 2007 | 16.4 °C |
| 2008 | 14.4 °C |
| 2009 | 14.8 °C |
| 2010 | 16.1 °C |
| 2011 | 15.6 °C |
| 2012 | 16.8 °C |
| 2013 | 15.3 °C |
| 2014 | 15.3 °C |
| 2015 | 16.5 °C |
| 2016 | 16.4 °C |
| 2017 | 15.7 °C |
| 2018 | 16.0 °C |
| 2019 | 15.3 °C |
| 2020 | 16.0 °C |
| 2021 | 17.2 °C |
| 2022 | 16.1 °C |
| 2023 | 17.0 °C |
| 2024 | 17.0 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Little Falls Minnesota (NOAA GHCN-Daily). Years with too many missing days are left out.