When to plant in Mowbray Mountain, TN
Planting dates worked out from Mowbray Mountain's own frost records, not a generic zone chart.
Safe to plant out
May 4
1 year in 10 has a later frost
Average last frost
Apr 18
about a 50% chance of a later one
Average first fall frost
Oct 25
1 year in 10 by Oct 14
Frost-free days
186
median, 1991–2020
Station used: Soddy Daisy-Mowbray Mtn · 1.8 km away · station 518 m, town 504 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 9 – Mar 23 | May 4 – May 18 | Jun 28 |
| Sweet pepper | Feb 23 – Mar 9 | May 4 – May 18 | Jul 3 |
| Lettuce (leaf) | Feb 14 – Feb 21 | Mar 21 – Apr 4 | Apr 30 |
| Peas | — | Mar 7 – Apr 4 | May 1 |
| Bush beans | — | Apr 27 – May 18 | Jun 16 |
| Carrot | — | Mar 28 – May 9 | May 27 |
| Beet | — | Mar 21 – May 2 | May 10 |
| Potato | — | Mar 28 – Apr 18 | Jun 6 |
| Kale | Feb 7 – Feb 21 | Mar 21 – Apr 4 | May 3 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 11 | May 20 |
| Cucumber | Apr 6 – Apr 13 | May 4 – May 18 | Jun 23 |
| Summer squash and zucchini | Apr 6 – Apr 13 | May 4 – May 18 | Jun 18 |
| Winter squash | Apr 6 – Apr 13 | May 4 – May 18 | Jul 23 |
| Sweet corn | — | Apr 27 – May 18 | Jun 26 |
| Onion (from sets) | — | Mar 21 – Apr 11 | Jun 19 |
| Garlic | — | Oct 11 – Nov 8 (fall) | following summer |
| Spinach | — | Mar 7 – Apr 4 | Apr 14 |
| Basil | Mar 23 – Apr 6 | May 4 – May 18 | Jun 30 |
Mowbray Mountain'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 |
|---|---|
| 1998 | Mar 23 |
| 1999 | Apr 27 |
| 2000 | Apr 10 |
| 2001 | Apr 20 |
| 2002 | Apr 7 |
| 2004 | May 4 |
| 2005 | May 4 |
| 2006 | Apr 10 |
| 2007 | Apr 13 |
| 2008 | Apr 30 |
| 2009 | Apr 22 |
| 2010 | Apr 10 |
| 2011 | May 5 |
| 2012 | Apr 13 |
| 2016 | Apr 10 |
| 2017 | Apr 9 |
| 2018 | Apr 17 |
| 2019 | Apr 1 |
| 2020 | May 10 |
| 2021 | Apr 22 |
| 2022 | Apr 10 |
| 2023 | Mar 21 |
| 2024 | Mar 19 |
| 2025 | Apr 13 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 227 |
| 2000 | 180 |
| 2001 | 158 |
| 2002 | 208 |
| 2004 | 185 |
| 2005 | 175 |
| 2007 | 198 |
| 2008 | 177 |
| 2009 | 178 |
| 2011 | 169 |
| 2012 | 200 |
| 2016 | 195 |
| 2017 | 199 |
| 2018 | 186 |
| 2019 | 213 |
| 2020 | 175 |
| 2021 | 204 |
| 2022 | 190 |
| 2023 | 224 |
| 2024 | 252 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 20.9 °C |
| 2000 | 19.7 °C |
| 2001 | 18.3 °C |
| 2002 | 20.4 °C |
| 2003 | 19.7 °C |
| 2004 | 19.8 °C |
| 2005 | 19.6 °C |
| 2006 | 20.4 °C |
| 2007 | 20.4 °C |
| 2008 | 19.7 °C |
| 2009 | 19.6 °C |
| 2010 | 22.9 °C |
| 2011 | 20.8 °C |
| 2012 | 20.4 °C |
| 2016 | 20.4 °C |
| 2017 | 19.8 °C |
| 2018 | 21.3 °C |
| 2019 | 22.6 °C |
| 2020 | 21.0 °C |
| 2021 | 19.6 °C |
| 2022 | 21.9 °C |
| 2023 | 21.6 °C |
| 2024 | 22.7 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Soddy Daisy-Mowbray Mtn (NOAA GHCN-Daily). Years with too many missing days are left out.