When to plant in Parowan, UT
Planting dates worked out from Parowan's own frost records, not a generic zone chart.
Safe to plant out
May 29
1 year in 10 has a later frost
Average last frost
May 10
about a 50% chance of a later one
Average first fall frost
Oct 8
1 year in 10 by Sep 24
Frost-free days
149
median, 1991–2020
Station used: Cedar City · 29.8 km away · station 1856 m, town 1834 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 | Apr 3 – Apr 17 | May 29 – Jun 12 | Jul 23 |
| Sweet pepper | Mar 20 – Apr 3 | May 29 – Jun 12 | Jul 28 |
| Lettuce (leaf) | Mar 8 – Mar 15 | Apr 12 – Apr 26 | May 22 |
| Peas | — | Mar 29 – Apr 26 | May 23 |
| Bush beans | — | May 22 – Jun 12 | Jul 11 |
| Carrot | — | Apr 19 – May 31 | Jun 18 |
| Beet | — | Apr 12 – May 24 | Jun 1 |
| Potato | — | Apr 19 – May 10 | Jun 28 |
| Kale | Mar 1 – Mar 15 | Apr 12 – Apr 26 | May 25 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – May 3 | Jun 11 |
| Cucumber | May 1 – May 8 | May 29 – Jun 12 | Jul 18 |
| Summer squash and zucchini | May 1 – May 8 | May 29 – Jun 12 | Jul 13 |
| Winter squash | May 1 – May 8 | May 29 – Jun 12 | Aug 17 |
| Sweet corn | — | May 22 – Jun 12 | Jul 21 |
| Onion (from sets) | — | Apr 12 – May 3 | Jul 11 |
| Garlic | — | Sep 24 – Oct 22 (fall) | following summer |
| Spinach | — | Mar 29 – Apr 26 | May 6 |
| Basil | Apr 17 – May 1 | May 29 – Jun 12 | Jul 25 |
Parowan'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 |
|---|---|
| 2000 | May 12 |
| 2001 | May 5 |
| 2003 | May 11 |
| 2005 | May 12 |
| 2006 | Apr 24 |
| 2007 | May 5 |
| 2008 | Jun 5 |
| 2009 | Apr 29 |
| 2010 | May 24 |
| 2011 | Jun 4 |
| 2012 | May 7 |
| 2013 | May 3 |
| 2014 | May 14 |
| 2015 | May 9 |
| 2016 | May 1 |
| 2017 | May 19 |
| 2018 | Apr 21 |
| 2019 | May 28 |
| 2020 | Apr 18 |
| 2021 | Apr 28 |
| 2022 | Apr 26 |
| 2023 | Apr 27 |
| 2024 | May 10 |
| 2025 | Apr 29 |
| 2026 | May 19 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2000 | 134 |
| 2001 | 157 |
| 2003 | 152 |
| 2005 | 145 |
| 2007 | 143 |
| 2008 | 127 |
| 2009 | 155 |
| 2010 | 154 |
| 2011 | 123 |
| 2012 | 170 |
| 2013 | 146 |
| 2014 | 140 |
| 2015 | 178 |
| 2016 | 157 |
| 2017 | 127 |
| 2018 | 176 |
| 2019 | 125 |
| 2020 | 187 |
| 2021 | 166 |
| 2022 | 179 |
| 2023 | 168 |
| 2024 | 160 |
| 2025 | 170 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2000 | 19.4 °C |
| 2001 | 18.9 °C |
| 2003 | 18.6 °C |
| 2008 | 17.7 °C |
| 2009 | 18.1 °C |
| 2010 | 16.6 °C |
| 2011 | 16.2 °C |
| 2012 | 18.4 °C |
| 2013 | 17.9 °C |
| 2014 | 18.4 °C |
| 2015 | 17.9 °C |
| 2016 | 18.1 °C |
| 2017 | 18.1 °C |
| 2018 | 19.7 °C |
| 2019 | 17.5 °C |
| 2020 | 19.2 °C |
| 2021 | 19.4 °C |
| 2022 | 18.6 °C |
| 2023 | 17.9 °C |
| 2024 | 19.3 °C |
| 2025 | 19.0 °C |
| 2026 | 19.7 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Cedar City (NOAA GHCN-Daily). Years with too many missing days are left out.