When to plant in Jellico, TN
Planting dates worked out from Jellico's own frost records, not a generic zone chart.
Safe to plant out
May 5
1 year in 10 has a later frost
Average last frost
Apr 20
about a 50% chance of a later one
Average first fall frost
Oct 19
1 year in 10 by Oct 7
Frost-free days
178
median, 1991–2020
Station used: Newcomb · 5.7 km away · station 309 m, town 298 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 10 – Mar 24 | May 5 – May 19 | Jun 29 |
| Sweet pepper | Feb 24 – Mar 10 | May 5 – May 19 | Jul 4 |
| Lettuce (leaf) | Feb 16 – Feb 23 | Mar 23 – Apr 6 | May 2 |
| Peas | — | Mar 9 – Apr 6 | May 3 |
| Bush beans | — | Apr 28 – May 19 | Jun 17 |
| Carrot | — | Mar 30 – May 11 | May 29 |
| Beet | — | Mar 23 – May 4 | May 12 |
| Potato | — | Mar 30 – Apr 20 | Jun 8 |
| Kale | Feb 9 – Feb 23 | Mar 23 – Apr 6 | May 5 |
| Broccoli | Feb 9 – Feb 23 | Mar 23 – Apr 13 | May 22 |
| Cucumber | Apr 7 – Apr 14 | May 5 – May 19 | Jun 24 |
| Summer squash and zucchini | Apr 7 – Apr 14 | May 5 – May 19 | Jun 19 |
| Winter squash | Apr 7 – Apr 14 | May 5 – May 19 | Jul 24 |
| Sweet corn | — | Apr 28 – May 19 | Jun 27 |
| Onion (from sets) | — | Mar 23 – Apr 13 | Jun 21 |
| Garlic | — | Oct 5 – Nov 2 (fall) | following summer |
| Spinach | — | Mar 9 – Apr 6 | Apr 16 |
| Basil | Mar 24 – Apr 7 | May 5 – May 19 | Jul 1 |
Jellico'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 | Apr 28 |
| 2001 | Apr 20 |
| 2002 | May 23 |
| 2003 | Apr 1 |
| 2004 | Apr 29 |
| 2005 | May 5 |
| 2006 | Apr 12 |
| 2007 | Apr 14 |
| 2008 | May 1 |
| 2009 | Apr 13 |
| 2010 | Apr 11 |
| 2011 | Apr 7 |
| 2012 | Apr 15 |
| 2013 | Apr 21 |
| 2014 | Apr 18 |
| 2015 | Apr 25 |
| 2016 | Apr 14 |
| 2017 | Mar 24 |
| 2018 | May 1 |
| 2019 | Apr 4 |
| 2020 | May 11 |
| 2021 | Apr 24 |
| 2022 | Apr 11 |
| 2023 | Apr 26 |
| 2024 | Apr 23 |
| 2025 | Apr 14 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2000 | 162 |
| 2001 | 170 |
| 2002 | 162 |
| 2003 | 184 |
| 2004 | 170 |
| 2005 | 174 |
| 2006 | 183 |
| 2007 | 197 |
| 2008 | 170 |
| 2009 | 187 |
| 2010 | 178 |
| 2011 | 197 |
| 2012 | 201 |
| 2013 | 183 |
| 2014 | 169 |
| 2015 | 175 |
| 2016 | 191 |
| 2017 | 215 |
| 2018 | 173 |
| 2019 | 196 |
| 2020 | 158 |
| 2021 | 194 |
| 2022 | 180 |
| 2023 | 188 |
| 2024 | 176 |
| 2025 | 191 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2000 | 19.9 °C |
| 2001 | 19.9 °C |
| 2002 | 20.7 °C |
| 2003 | 19.8 °C |
| 2004 | 19.9 °C |
| 2005 | 20.6 °C |
| 2006 | 20.3 °C |
| 2007 | 20.6 °C |
| 2008 | 20.0 °C |
| 2009 | 20.1 °C |
| 2010 | 21.5 °C |
| 2011 | 20.9 °C |
| 2012 | 20.6 °C |
| 2013 | 19.6 °C |
| 2014 | 19.9 °C |
| 2015 | 20.6 °C |
| 2016 | 20.9 °C |
| 2017 | 20.0 °C |
| 2018 | 21.0 °C |
| 2019 | 21.1 °C |
| 2020 | 19.6 °C |
| 2021 | 19.6 °C |
| 2022 | 20.0 °C |
| 2023 | 19.6 °C |
| 2024 | 20.6 °C |
| 2025 | 20.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Newcomb (NOAA GHCN-Daily). Years with too many missing days are left out.