When to plant in Johnsonville, SC
Planting dates worked out from Johnsonville's own frost records, not a generic zone chart.
Safe to plant out
Apr 14
1 year in 10 has a later frost
Average last frost
Mar 29
about a 50% chance of a later one
Average first fall frost
Nov 6
1 year in 10 by Oct 24
Frost-free days
220
median, 1991–2020
Station used: Cades 4 W · 37.7 km away · station 24 m, town 28 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 | Feb 17 – Mar 3 | Apr 14 – Apr 28 | Jun 8 |
| Sweet pepper | Feb 3 – Feb 17 | Apr 14 – Apr 28 | Jun 13 |
| Lettuce (leaf) | Jan 25 – Feb 1 | Mar 1 – Mar 15 | Apr 10 |
| Peas | — | Feb 15 – Mar 15 | Apr 11 |
| Bush beans | — | Apr 7 – Apr 28 | May 27 |
| Carrot | — | Mar 8 – Apr 19 | May 7 |
| Beet | — | Mar 1 – Apr 12 | Apr 20 |
| Potato | — | Mar 8 – Mar 29 | May 17 |
| Kale | Jan 18 – Feb 1 | Mar 1 – Mar 15 | Apr 13 |
| Broccoli | Jan 18 – Feb 1 | Mar 1 – Mar 22 | Apr 30 |
| Cucumber | Mar 17 – Mar 24 | Apr 14 – Apr 28 | Jun 3 |
| Summer squash and zucchini | Mar 17 – Mar 24 | Apr 14 – Apr 28 | May 29 |
| Winter squash | Mar 17 – Mar 24 | Apr 14 – Apr 28 | Jul 3 |
| Sweet corn | — | Apr 7 – Apr 28 | Jun 6 |
| Onion (from sets) | — | Mar 1 – Mar 22 | May 30 |
| Garlic | — | Oct 23 – Nov 20 (fall) | following summer |
| Spinach | — | Feb 15 – Mar 15 | Mar 25 |
| Basil | Mar 3 – Mar 17 | Apr 14 – Apr 28 | Jun 10 |
Johnsonville'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 |
|---|---|
| 1994 | Mar 17 |
| 1996 | Apr 11 |
| 1997 | Apr 11 |
| 1998 | Mar 14 |
| 1999 | Mar 17 |
| 2000 | Mar 14 |
| 2001 | Apr 19 |
| 2002 | Mar 25 |
| 2003 | Apr 1 |
| 2004 | Apr 6 |
| 2005 | Apr 18 |
| 2006 | Apr 11 |
| 2007 | Apr 10 |
| 2008 | Apr 16 |
| 2009 | Apr 8 |
| 2011 | Mar 13 |
| 2012 | Mar 7 |
| 2013 | Mar 30 |
| 2014 | Mar 28 |
| 2015 | Mar 30 |
| 2016 | Apr 11 |
| 2017 | Mar 20 |
| 2019 | Mar 18 |
| 2020 | Mar 9 |
| 2021 | Apr 4 |
| 2022 | Mar 28 |
| 2023 | Mar 22 |
| 2025 | Mar 7 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1996 | 205 |
| 1997 | 219 |
| 1998 | 223 |
| 1999 | 231 |
| 2000 | 209 |
| 2002 | 238 |
| 2003 | 226 |
| 2004 | 222 |
| 2006 | 195 |
| 2007 | 210 |
| 2008 | 195 |
| 2009 | 212 |
| 2011 | 230 |
| 2012 | 238 |
| 2013 | 210 |
| 2014 | 219 |
| 2017 | 244 |
| 2020 | 254 |
| 2021 | 233 |
| 2022 | 205 |
| 2025 | 238 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1996 | 22.9 °C |
| 1997 | 22.0 °C |
| 1998 | 23.7 °C |
| 1999 | 23.7 °C |
| 2000 | 23.2 °C |
| 2001 | 23.1 °C |
| 2002 | 24.3 °C |
| 2003 | 23.3 °C |
| 2004 | 23.9 °C |
| 2005 | 23.8 °C |
| 2006 | 23.5 °C |
| 2007 | 23.6 °C |
| 2008 | 23.4 °C |
| 2009 | 23.5 °C |
| 2010 | 25.1 °C |
| 2011 | 24.7 °C |
| 2012 | 23.9 °C |
| 2014 | 24.2 °C |
| 2017 | 24.4 °C |
| 2020 | 23.4 °C |
| 2021 | 23.0 °C |
| 2022 | 23.9 °C |
| 2025 | 23.3 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Cades 4 W (NOAA GHCN-Daily). Years with too many missing days are left out.