When to plant in Morenci, MI
Planting dates worked out from Morenci's own frost records, not a generic zone chart.
Safe to plant out
May 14
1 year in 10 has a later frost
Average last frost
May 3
about a 50% chance of a later one
Average first fall frost
Oct 15
1 year in 10 by Oct 2
Frost-free days
162
median, 1991–2020
Station used: Morenci · 0.4 km away · station 235 m, town 233 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 19 – Apr 2 | May 14 – May 28 | Jul 8 |
| Sweet pepper | Mar 5 – Mar 19 | May 14 – May 28 | Jul 13 |
| Lettuce (leaf) | Mar 1 – Mar 8 | Apr 5 – Apr 19 | May 15 |
| Peas | — | Apr 3 – May 1 | May 28 |
| Bush beans | — | May 7 – May 28 | Jun 26 |
| Carrot | — | Apr 12 – May 24 | Jun 11 |
| Beet | — | Apr 12 – May 24 | Jun 1 |
| Potato | — | Apr 12 – May 3 | Jun 21 |
| Kale | Feb 27 – Mar 13 | Apr 10 – Apr 24 | May 23 |
| Broccoli | Feb 22 – Mar 8 | Apr 5 – Apr 26 | Jun 4 |
| Cucumber | Apr 16 – Apr 23 | May 14 – May 28 | Jul 3 |
| Summer squash and zucchini | Apr 16 – Apr 23 | May 14 – May 28 | Jun 28 |
| Winter squash | Apr 16 – Apr 23 | May 14 – May 28 | Aug 2 |
| Sweet corn | — | May 7 – May 28 | Jul 6 |
| Onion (from sets) | — | Apr 5 – Apr 26 | Jul 4 |
| Garlic | — | Oct 1 – Oct 29 (fall) | following summer |
| Spinach | — | Apr 3 – May 1 | May 11 |
| Basil | Apr 2 – Apr 16 | May 14 – May 28 | Jul 10 |
Morenci'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 4 |
| 2005 | May 6 |
| 2006 | Apr 27 |
| 2007 | Apr 16 |
| 2008 | May 1 |
| 2009 | Apr 24 |
| 2010 | May 10 |
| 2011 | Apr 22 |
| 2012 | Apr 29 |
| 2013 | May 13 |
| 2014 | May 16 |
| 2015 | Apr 28 |
| 2016 | May 15 |
| 2017 | May 9 |
| 2018 | May 1 |
| 2019 | Apr 28 |
| 2020 | May 13 |
| 2021 | May 12 |
| 2023 | Apr 28 |
| 2024 | Apr 25 |
| 2025 | Apr 18 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2004 | 151 |
| 2005 | 163 |
| 2006 | 155 |
| 2007 | 194 |
| 2009 | 159 |
| 2010 | 158 |
| 2011 | 182 |
| 2012 | 161 |
| 2013 | 161 |
| 2014 | 148 |
| 2015 | 171 |
| 2016 | 162 |
| 2017 | 169 |
| 2018 | 167 |
| 2019 | 166 |
| 2020 | 155 |
| 2021 | 164 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2004 | 17.8 °C |
| 2005 | 18.8 °C |
| 2006 | 17.9 °C |
| 2007 | 17.9 °C |
| 2008 | 17.4 °C |
| 2009 | 16.7 °C |
| 2010 | 18.4 °C |
| 2011 | 18.4 °C |
| 2012 | 18.8 °C |
| 2013 | 17.7 °C |
| 2014 | 17.7 °C |
| 2015 | 17.9 °C |
| 2016 | 18.1 °C |
| 2017 | 17.6 °C |
| 2018 | 17.7 °C |
| 2019 | 17.1 °C |
| 2020 | 17.3 °C |
| 2024 | 19.1 °C |
| 2025 | 17.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Morenci (NOAA GHCN-Daily). Years with too many missing days are left out.