When to plant in Kenmar, PA
Planting dates worked out from Kenmar's own frost records, not a generic zone chart.
Safe to plant out
May 17
1 year in 10 has a later frost
Average last frost
May 1
about a 50% chance of a later one
Average first fall frost
Oct 22
1 year in 10 by Oct 8
Frost-free days
170
median, 1991–2020
Station used: Williamsport 2 · 2.1 km away · station 160 m, town 162 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 22 – Apr 5 | May 17 – May 31 | Jul 11 |
| Sweet pepper | Mar 8 – Mar 22 | May 17 – May 31 | Jul 16 |
| Lettuce (leaf) | Feb 27 – Mar 6 | Apr 3 – Apr 17 | May 13 |
| Peas | — | Mar 24 – Apr 21 | May 18 |
| Bush beans | — | May 10 – May 31 | Jun 29 |
| Carrot | — | Apr 10 – May 22 | Jun 9 |
| Beet | — | Apr 3 – May 15 | May 23 |
| Potato | — | Apr 10 – May 1 | Jun 19 |
| Kale | Feb 20 – Mar 6 | Apr 3 – Apr 17 | May 16 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 24 | Jun 2 |
| Cucumber | Apr 19 – Apr 26 | May 17 – May 31 | Jul 6 |
| Summer squash and zucchini | Apr 19 – Apr 26 | May 17 – May 31 | Jul 1 |
| Winter squash | Apr 19 – Apr 26 | May 17 – May 31 | Aug 5 |
| Sweet corn | — | May 10 – May 31 | Jul 9 |
| Onion (from sets) | — | Apr 3 – Apr 24 | Jul 2 |
| Garlic | — | Oct 8 – Nov 5 (fall) | following summer |
| Spinach | — | Mar 24 – Apr 21 | May 1 |
| Basil | Apr 5 – Apr 19 | May 17 – May 31 | Jul 13 |
Kenmar'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 |
|---|---|
| 1999 | Apr 26 |
| 2000 | Apr 13 |
| 2001 | Apr 29 |
| 2002 | May 22 |
| 2003 | Apr 14 |
| 2005 | May 13 |
| 2006 | Apr 29 |
| 2007 | May 14 |
| 2008 | May 1 |
| 2009 | May 19 |
| 2010 | May 11 |
| 2011 | Apr 22 |
| 2012 | May 17 |
| 2013 | May 14 |
| 2014 | Apr 20 |
| 2015 | Apr 26 |
| 2016 | Apr 14 |
| 2017 | Apr 9 |
| 2018 | Apr 23 |
| 2019 | Apr 29 |
| 2020 | May 13 |
| 2021 | Apr 23 |
| 2022 | Apr 30 |
| 2023 | May 18 |
| 2024 | Apr 23 |
| 2025 | Apr 18 |
| 2026 | Apr 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 163 |
| 2000 | 178 |
| 2001 | 161 |
| 2002 | 145 |
| 2003 | 171 |
| 2005 | 167 |
| 2006 | 166 |
| 2007 | 167 |
| 2008 | 170 |
| 2009 | 147 |
| 2010 | 164 |
| 2011 | 188 |
| 2013 | 166 |
| 2014 | 200 |
| 2015 | 174 |
| 2016 | 194 |
| 2017 | 205 |
| 2018 | 178 |
| 2019 | 186 |
| 2020 | 174 |
| 2021 | 193 |
| 2022 | 173 |
| 2023 | 165 |
| 2024 | 186 |
| 2025 | 174 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1999 | 19.3 °C |
| 2000 | 18.2 °C |
| 2001 | 18.6 °C |
| 2002 | 19.5 °C |
| 2003 | 18.2 °C |
| 2004 | 19.2 °C |
| 2005 | 19.6 °C |
| 2006 | 18.9 °C |
| 2007 | 19.0 °C |
| 2008 | 18.7 °C |
| 2009 | 18.3 °C |
| 2010 | 20.1 °C |
| 2011 | 19.7 °C |
| 2013 | 19.5 °C |
| 2014 | 19.1 °C |
| 2015 | 20.3 °C |
| 2016 | 20.2 °C |
| 2017 | 19.5 °C |
| 2018 | 19.2 °C |
| 2019 | 19.4 °C |
| 2020 | 18.9 °C |
| 2021 | 19.4 °C |
| 2022 | 19.3 °C |
| 2023 | 18.9 °C |
| 2024 | 19.8 °C |
| 2025 | 19.4 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Williamsport 2 (NOAA GHCN-Daily). Years with too many missing days are left out.