When to plant in Hollidaysburg, PA
Planting dates worked out from Hollidaysburg's own frost records, not a generic zone chart.
Safe to plant out
May 16
1 year in 10 has a later frost
Average last frost
Apr 30
about a 50% chance of a later one
Average first fall frost
Oct 16
1 year in 10 by Oct 7
Frost-free days
166
median, 1991–2020
Station used: Altoona 7 Sw · 2.8 km away · station 360 m, town 289 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 21 – Apr 4 | May 16 – May 30 | Jul 10 |
| Sweet pepper | Mar 7 – Mar 21 | May 16 – May 30 | Jul 15 |
| Lettuce (leaf) | Feb 26 – Mar 5 | Apr 2 – Apr 16 | May 12 |
| Peas | — | Mar 29 – Apr 26 | May 23 |
| Bush beans | — | May 9 – May 30 | Jun 28 |
| Carrot | — | Apr 9 – May 21 | Jun 8 |
| Beet | — | Apr 6 – May 18 | May 26 |
| Potato | — | Apr 9 – Apr 30 | Jun 18 |
| Kale | Feb 22 – Mar 8 | Apr 5 – Apr 19 | May 18 |
| Broccoli | Feb 19 – Mar 5 | Apr 2 – Apr 23 | Jun 1 |
| Cucumber | Apr 18 – Apr 25 | May 16 – May 30 | Jul 5 |
| Summer squash and zucchini | Apr 18 – Apr 25 | May 16 – May 30 | Jun 30 |
| Winter squash | Apr 18 – Apr 25 | May 16 – May 30 | Aug 4 |
| Sweet corn | — | May 9 – May 30 | Jul 8 |
| Onion (from sets) | — | Apr 2 – Apr 23 | Jul 1 |
| Garlic | — | Oct 2 – Oct 30 (fall) | following summer |
| Spinach | — | Mar 29 – Apr 26 | May 6 |
| Basil | Apr 4 – Apr 18 | May 16 – May 30 | Jul 12 |
Hollidaysburg'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 |
|---|---|
| 2003 | Apr 25 |
| 2004 | Apr 28 |
| 2005 | May 6 |
| 2006 | May 7 |
| 2007 | Apr 15 |
| 2008 | May 1 |
| 2009 | May 19 |
| 2010 | Apr 15 |
| 2011 | Apr 7 |
| 2012 | Apr 30 |
| 2013 | May 15 |
| 2014 | Apr 24 |
| 2015 | May 23 |
| 2016 | Apr 15 |
| 2017 | May 9 |
| 2018 | Apr 20 |
| 2019 | Apr 29 |
| 2020 | May 13 |
| 2021 | Apr 22 |
| 2022 | Apr 30 |
| 2023 | Apr 25 |
| 2024 | Apr 23 |
| 2025 | Apr 18 |
| 2026 | May 1 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2003 | 160 |
| 2004 | 167 |
| 2005 | 172 |
| 2006 | 158 |
| 2007 | 196 |
| 2008 | 158 |
| 2009 | 147 |
| 2010 | 199 |
| 2011 | 198 |
| 2012 | 165 |
| 2013 | 158 |
| 2014 | 185 |
| 2015 | 147 |
| 2016 | 193 |
| 2017 | 160 |
| 2018 | 181 |
| 2019 | 167 |
| 2020 | 129 |
| 2021 | 193 |
| 2022 | 161 |
| 2023 | 188 |
| 2024 | 177 |
| 2025 | 174 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2003 | 16.9 °C |
| 2004 | 17.4 °C |
| 2005 | 17.9 °C |
| 2006 | 17.3 °C |
| 2007 | 17.2 °C |
| 2008 | 17.4 °C |
| 2009 | 17.1 °C |
| 2010 | 18.5 °C |
| 2011 | 18.4 °C |
| 2012 | 18.1 °C |
| 2013 | 17.5 °C |
| 2014 | 17.2 °C |
| 2015 | 18.5 °C |
| 2016 | 18.7 °C |
| 2017 | 18.2 °C |
| 2018 | 18.5 °C |
| 2019 | 18.7 °C |
| 2020 | 17.9 °C |
| 2021 | 18.4 °C |
| 2022 | 18.1 °C |
| 2023 | 17.5 °C |
| 2024 | 18.7 °C |
| 2025 | 18.2 °C |
| 2026 | 18.3 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Altoona 7 Sw (NOAA GHCN-Daily). Years with too many missing days are left out.