When to plant in Wiscasset, ME
Planting dates worked out from Wiscasset'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 12
about a 50% chance of a later one
Average first fall frost
Oct 6
1 year in 10 by Sep 26
Frost-free days
146
median, 1991–2020
Station used: Wiscasset Ap · 5.7 km away · station 16 m, town 15 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 10 – Mar 17 | Apr 14 – Apr 28 | May 24 |
| Peas | — | Apr 14 – May 12 | Jun 8 |
| Bush beans | — | May 13 – Jun 3 | Jul 2 |
| Carrot | — | Apr 25 – Jun 6 | Jun 24 |
| Beet | — | Apr 25 – Jun 6 | Jun 14 |
| Potato | — | Apr 25 – May 16 | Jul 4 |
| Kale | Mar 10 – Mar 24 | Apr 21 – May 5 | Jun 3 |
| Broccoli | Mar 3 – Mar 17 | Apr 14 – May 5 | Jun 13 |
| 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 14 – May 5 | Jul 13 |
| Garlic | — | Sep 22 – Oct 20 (fall) | following summer |
| Spinach | — | Apr 14 – May 12 | May 22 |
| Basil | Apr 8 – Apr 22 | May 20 – Jun 3 | Jul 16 |
Wiscasset'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 |
|---|---|
| 1997 | May 9 |
| 1998 | May 14 |
| 1999 | May 16 |
| 2000 | May 20 |
| 2001 | May 18 |
| 2002 | May 22 |
| 2003 | May 18 |
| 2004 | May 8 |
| 2005 | May 14 |
| 2006 | May 8 |
| 2007 | May 14 |
| 2008 | May 2 |
| 2009 | May 19 |
| 2010 | May 13 |
| 2011 | May 2 |
| 2012 | May 7 |
| 2013 | May 15 |
| 2014 | May 8 |
| 2015 | May 2 |
| 2016 | Apr 30 |
| 2017 | May 9 |
| 2018 | May 12 |
| 2019 | May 9 |
| 2020 | May 24 |
| 2021 | Apr 27 |
| 2022 | May 9 |
| 2023 | May 18 |
| 2024 | May 11 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1997 | 145 |
| 1998 | 144 |
| 1999 | 142 |
| 2000 | 130 |
| 2001 | 141 |
| 2002 | 139 |
| 2003 | 140 |
| 2004 | 149 |
| 2005 | 159 |
| 2006 | 151 |
| 2007 | 155 |
| 2008 | 155 |
| 2009 | 129 |
| 2010 | 149 |
| 2011 | 156 |
| 2012 | 158 |
| 2013 | 146 |
| 2014 | 134 |
| 2015 | 147 |
| 2016 | 163 |
| 2017 | 156 |
| 2018 | 154 |
| 2019 | 146 |
| 2020 | 118 |
| 2021 | 179 |
| 2022 | 152 |
| 2023 | 158 |
| 2024 | 157 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1997 | 13.8 °C |
| 1998 | 15.1 °C |
| 1999 | 15.7 °C |
| 2000 | 13.7 °C |
| 2001 | 14.9 °C |
| 2002 | 14.8 °C |
| 2003 | 14.6 °C |
| 2004 | 14.3 °C |
| 2005 | 15.2 °C |
| 2006 | 15.6 °C |
| 2007 | 15.2 °C |
| 2008 | 15.1 °C |
| 2009 | 14.6 °C |
| 2010 | 16.2 °C |
| 2011 | 15.3 °C |
| 2012 | 15.8 °C |
| 2013 | 15.3 °C |
| 2014 | 15.1 °C |
| 2015 | 15.6 °C |
| 2016 | 15.7 °C |
| 2017 | 15.8 °C |
| 2018 | 15.4 °C |
| 2019 | 15.0 °C |
| 2020 | 15.1 °C |
| 2021 | 16.2 °C |
| 2022 | 16.0 °C |
| 2023 | 15.8 °C |
| 2024 | 16.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Wiscasset Ap (NOAA GHCN-Daily). Years with too many missing days are left out.