When to plant in Newtown Grant, PA
Planting dates worked out from Newtown Grant's own frost records, not a generic zone chart.
Safe to plant out
Apr 19
1 year in 10 has a later frost
Average last frost
Apr 9
about a 50% chance of a later one
Average first fall frost
Oct 27
1 year in 10 by Oct 10
Frost-free days
199
median, 1991–2020
Station used: Trenton-Mercer Ap · 11.9 km away · station 58 m, town 88 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 | Feb 22 – Mar 8 | Apr 19 – May 3 | Jun 13 |
| Sweet pepper | Feb 8 – Feb 22 | Apr 19 – May 3 | Jun 18 |
| Lettuce (leaf) | Feb 11 – Feb 18 | Mar 18 – Apr 1 | Apr 27 |
| Peas | — | Mar 18 – Apr 15 | May 12 |
| Bush beans | — | Apr 12 – May 3 | Jun 1 |
| Carrot | — | Mar 29 – May 10 | May 28 |
| Beet | — | Mar 29 – May 10 | May 18 |
| Potato | — | Mar 29 – Apr 19 | Jun 7 |
| Kale | Feb 11 – Feb 25 | Mar 25 – Apr 8 | May 7 |
| Broccoli | Feb 4 – Feb 18 | Mar 18 – Apr 8 | May 17 |
| Cucumber | Mar 22 – Mar 29 | Apr 19 – May 3 | Jun 8 |
| Summer squash and zucchini | Mar 22 – Mar 29 | Apr 19 – May 3 | Jun 3 |
| Winter squash | Mar 22 – Mar 29 | Apr 19 – May 3 | Jul 8 |
| Sweet corn | — | Apr 12 – May 3 | Jun 11 |
| Onion (from sets) | — | Mar 18 – Apr 8 | Jun 16 |
| Garlic | — | Oct 13 – Nov 10 (fall) | following summer |
| Spinach | — | Mar 18 – Apr 15 | Apr 25 |
| Basil | Mar 8 – Mar 22 | Apr 19 – May 3 | Jun 15 |
Newtown Grant'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 |
|---|---|
| 1945 | Apr 23 |
| 1998 | Apr 13 |
| 1999 | Mar 27 |
| 2000 | Apr 14 |
| 2001 | Apr 19 |
| 2002 | Apr 24 |
| 2003 | Apr 10 |
| 2004 | Apr 6 |
| 2005 | Apr 17 |
| 2006 | Apr 9 |
| 2007 | Apr 11 |
| 2008 | Apr 3 |
| 2009 | Apr 13 |
| 2010 | Mar 28 |
| 2011 | Mar 30 |
| 2012 | Mar 27 |
| 2013 | Apr 4 |
| 2014 | Apr 17 |
| 2015 | Apr 12 |
| 2016 | Apr 10 |
| 2017 | Mar 24 |
| 2018 | Apr 11 |
| 2019 | Apr 2 |
| 2020 | May 10 |
| 2021 | Apr 3 |
| 2022 | Apr 18 |
| 2023 | Apr 10 |
| 2024 | Apr 8 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 204 |
| 1999 | 194 |
| 2000 | 177 |
| 2001 | 172 |
| 2002 | 190 |
| 2003 | 196 |
| 2004 | 215 |
| 2005 | 207 |
| 2006 | 188 |
| 2007 | 209 |
| 2008 | 203 |
| 2009 | 206 |
| 2010 | 219 |
| 2011 | 214 |
| 2012 | 199 |
| 2013 | 204 |
| 2014 | 204 |
| 2015 | 189 |
| 2016 | 198 |
| 2017 | 230 |
| 2018 | 193 |
| 2019 | 199 |
| 2020 | 173 |
| 2021 | 214 |
| 2022 | 194 |
| 2023 | 204 |
| 2024 | 202 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1945 | 19.3 °C |
| 1998 | 19.5 °C |
| 1999 | 19.6 °C |
| 2000 | 18.2 °C |
| 2001 | 19.2 °C |
| 2002 | 19.9 °C |
| 2003 | 18.3 °C |
| 2004 | 19.6 °C |
| 2005 | 20.2 °C |
| 2006 | 19.9 °C |
| 2007 | 19.6 °C |
| 2008 | 19.9 °C |
| 2009 | 19.3 °C |
| 2010 | 21.7 °C |
| 2011 | 21.3 °C |
| 2012 | 20.6 °C |
| 2013 | 19.4 °C |
| 2014 | 19.2 °C |
| 2015 | 20.7 °C |
| 2016 | 20.4 °C |
| 2017 | 20.0 °C |
| 2018 | 20.6 °C |
| 2019 | 20.3 °C |
| 2020 | 19.4 °C |
| 2021 | 19.8 °C |
| 2022 | 20.1 °C |
| 2023 | 19.4 °C |
| 2024 | 20.2 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Trenton-Mercer Ap (NOAA GHCN-Daily). Years with too many missing days are left out.