When to plant in Calhoun Falls, SC
Planting dates worked out from Calhoun Falls's own frost records, not a generic zone chart.
Safe to plant out
Apr 7
1 year in 10 has a later frost
Average last frost
Mar 23
about a 50% chance of a later one
Average first fall frost
Nov 6
1 year in 10 by Oct 27
Frost-free days
225
median, 1991–2020
Station used: Calhoun Falls · 0.7 km away · station 162 m, town 161 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 10 – Feb 24 | Apr 7 – Apr 21 | Jun 1 |
| Sweet pepper | Jan 27 – Feb 10 | Apr 7 – Apr 21 | Jun 6 |
| Lettuce (leaf) | Jan 19 – Jan 26 | Feb 23 – Mar 9 | Apr 4 |
| Peas | — | Feb 9 – Mar 9 | Apr 5 |
| Bush beans | — | Mar 31 – Apr 21 | May 20 |
| Carrot | — | Mar 2 – Apr 13 | May 1 |
| Beet | — | Feb 23 – Apr 6 | Apr 14 |
| Potato | — | Mar 2 – Mar 23 | May 11 |
| Kale | Jan 12 – Jan 26 | Feb 23 – Mar 9 | Apr 7 |
| Broccoli | Jan 12 – Jan 26 | Feb 23 – Mar 16 | Apr 24 |
| Cucumber | Mar 10 – Mar 17 | Apr 7 – Apr 21 | May 27 |
| Summer squash and zucchini | Mar 10 – Mar 17 | Apr 7 – Apr 21 | May 22 |
| Winter squash | Mar 10 – Mar 17 | Apr 7 – Apr 21 | Jun 26 |
| Sweet corn | — | Mar 31 – Apr 21 | May 30 |
| Onion (from sets) | — | Feb 23 – Mar 16 | May 24 |
| Garlic | — | Oct 23 – Nov 20 (fall) | following summer |
| Spinach | — | Feb 9 – Mar 9 | Mar 19 |
| Basil | Feb 24 – Mar 10 | Apr 7 – Apr 21 | Jun 3 |
Calhoun Falls'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 |
|---|---|
| 1917 | Mar 20 |
| 1919 | Apr 3 |
| 1920 | Apr 15 |
| 1921 | Apr 19 |
| 1922 | Mar 23 |
| 1923 | Apr 3 |
| 1924 | Apr 3 |
| 1925 | Apr 2 |
| 1926 | Apr 20 |
| 1927 | Apr 24 |
| 1928 | Mar 23 |
| 1929 | Mar 11 |
| 1930 | Mar 31 |
| 1931 | Mar 18 |
| 1932 | Mar 24 |
| 1933 | Mar 11 |
| 1934 | Mar 16 |
| 1935 | Mar 13 |
| 1936 | Apr 4 |
| 1938 | Apr 10 |
| 1939 | Mar 20 |
| 1940 | Apr 13 |
| 1941 | Mar 19 |
| 1942 | Apr 1 |
| 1943 | Apr 16 |
| 1944 | Apr 6 |
| 1945 | Mar 10 |
| 1947 | Mar 28 |
| 1948 | Mar 29 |
| 1951 | Apr 5 |
| 1952 | Mar 16 |
| 1953 | Apr 21 |
| 1954 | Mar 22 |
| 1955 | Mar 31 |
| 1956 | Apr 21 |
| 1957 | Apr 10 |
| 1958 | Apr 8 |
| 1959 | Apr 14 |
| 1960 | Apr 11 |
| 1961 | Apr 14 |
| 1962 | Apr 17 |
| 1963 | Apr 16 |
| 1964 | Apr 1 |
| 1965 | Mar 23 |
| 1966 | Apr 11 |
| 1967 | Mar 20 |
| 1968 | Mar 26 |
| 1969 | Mar 29 |
| 1970 | Apr 3 |
| 1971 | Apr 4 |
| 1972 | Apr 10 |
| 1973 | Apr 12 |
| 1974 | Apr 8 |
| 1975 | Apr 6 |
| 1976 | Apr 10 |
| 1977 | Mar 24 |
| 1978 | Apr 22 |
| 1979 | Mar 27 |
| 1980 | Mar 15 |
| 1981 | Mar 22 |
| 1984 | Mar 31 |
| 1985 | Mar 20 |
| 1986 | Apr 23 |
| 1987 | Apr 6 |
| 1988 | Mar 18 |
| 1989 | Apr 13 |
| 1990 | Mar 22 |
| 1992 | Apr 5 |
| 1995 | Mar 12 |
| 1997 | Mar 17 |
| 1998 | Mar 25 |
| 1999 | Mar 17 |
| 2000 | Mar 15 |
| 2001 | Mar 29 |
| 2002 | Mar 26 |
| 2005 | Mar 20 |
| 2006 | Mar 28 |
| 2007 | Apr 10 |
| 2008 | Mar 26 |
| 2009 | Apr 8 |
| 2010 | Mar 8 |
| 2011 | Mar 7 |
| 2012 | Mar 6 |
| 2013 | Mar 30 |
| 2014 | Apr 16 |
| 2015 | Mar 30 |
| 2016 | Mar 23 |
| 2017 | Mar 21 |
| 2018 | Mar 23 |
| 2019 | Mar 28 |
| 2020 | Mar 10 |
| 2021 | Apr 22 |
| 2022 | Apr 11 |
| 2023 | Mar 22 |
| 2024 | Mar 20 |
| 2025 | Mar 7 |
| 2026 | Mar 19 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1917 | 206 |
| 1919 | 224 |
| 1920 | 197 |
| 1921 | 205 |
| 1923 | 219 |
| 1924 | 229 |
| 1925 | 200 |
| 1927 | 208 |
| 1928 | 232 |
| 1929 | 239 |
| 1930 | 214 |
| 1931 | 264 |
| 1932 | 232 |
| 1933 | 242 |
| 1934 | 226 |
| 1935 | 254 |
| 1936 | 225 |
| 1938 | 228 |
| 1939 | 225 |
| 1940 | 208 |
| 1941 | 235 |
| 1942 | 208 |
| 1943 | 184 |
| 1944 | 213 |
| 1945 | 239 |
| 1947 | 242 |
| 1948 | 227 |
| 1951 | 212 |
| 1952 | 218 |
| 1953 | 199 |
| 1954 | 208 |
| 1955 | 214 |
| 1956 | 202 |
| 1957 | 200 |
| 1958 | 213 |
| 1959 | 207 |
| 1960 | 196 |
| 1962 | 190 |
| 1963 | 197 |
| 1964 | 234 |
| 1965 | 215 |
| 1966 | 205 |
| 1967 | 222 |
| 1968 | 214 |
| 1969 | 220 |
| 1970 | 226 |
| 1971 | 217 |
| 1972 | 220 |
| 1973 | 211 |
| 1974 | 178 |
| 1975 | 208 |
| 1976 | 201 |
| 1977 | 231 |
| 1978 | 227 |
| 1979 | 232 |
| 1980 | 242 |
| 1984 | 220 |
| 1985 | 233 |
| 1986 | 204 |
| 1987 | 198 |
| 1988 | 209 |
| 1989 | 217 |
| 1990 | 240 |
| 1992 | 224 |
| 1997 | 224 |
| 1998 | 226 |
| 2000 | 208 |
| 2001 | 212 |
| 2002 | 232 |
| 2005 | 235 |
| 2006 | 210 |
| 2007 | 202 |
| 2008 | 218 |
| 2009 | 211 |
| 2010 | 243 |
| 2011 | 236 |
| 2012 | 246 |
| 2013 | 209 |
| 2014 | 200 |
| 2015 | 228 |
| 2016 | 242 |
| 2017 | 243 |
| 2018 | 232 |
| 2019 | 220 |
| 2020 | 237 |
| 2021 | 205 |
| 2022 | 192 |
| 2023 | 224 |
| 2024 | 254 |
| 2025 | 248 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1917 | 22.9 °C |
| 1919 | 23.0 °C |
| 1920 | 22.2 °C |
| 1921 | 23.5 °C |
| 1922 | 22.4 °C |
| 1923 | 22.6 °C |
| 1924 | 22.5 °C |
| 1925 | 24.9 °C |
| 1926 | 23.4 °C |
| 1927 | 23.3 °C |
| 1928 | 22.8 °C |
| 1929 | 23.2 °C |
| 1930 | 24.0 °C |
| 1931 | 23.5 °C |
| 1932 | 24.2 °C |
| 1933 | 24.2 °C |
| 1934 | 23.8 °C |
| 1935 | 23.1 °C |
| 1936 | 23.8 °C |
| 1937 | 22.8 °C |
| 1938 | 22.6 °C |
| 1939 | 22.5 °C |
| 1940 | 22.4 °C |
| 1941 | 24.0 °C |
| 1942 | 23.1 °C |
| 1943 | 24.4 °C |
| 1944 | 24.3 °C |
| 1945 | 24.4 °C |
| 1947 | 23.5 °C |
| 1948 | 23.7 °C |
| 1951 | 22.9 °C |
| 1952 | 23.9 °C |
| 1953 | 23.5 °C |
| 1954 | 23.9 °C |
| 1955 | 23.5 °C |
| 1956 | 23.4 °C |
| 1957 | 23.3 °C |
| 1958 | 23.2 °C |
| 1959 | 23.5 °C |
| 1960 | 23.0 °C |
| 1962 | 23.1 °C |
| 1963 | 22.2 °C |
| 1964 | 22.3 °C |
| 1965 | 22.9 °C |
| 1966 | 22.0 °C |
| 1967 | 21.4 °C |
| 1968 | 22.4 °C |
| 1969 | 22.6 °C |
| 1970 | 23.2 °C |
| 1971 | 22.1 °C |
| 1972 | 21.7 °C |
| 1973 | 22.1 °C |
| 1974 | 22.2 °C |
| 1975 | 22.8 °C |
| 1976 | 21.8 °C |
| 1977 | 23.7 °C |
| 1978 | 23.3 °C |
| 1979 | 22.6 °C |
| 1980 | 24.1 °C |
| 1984 | 21.9 °C |
| 1985 | 23.2 °C |
| 1986 | 23.9 °C |
| 1987 | 23.4 °C |
| 1988 | 22.9 °C |
| 1989 | 22.4 °C |
| 1990 | 23.2 °C |
| 1991 | 23.9 °C |
| 1992 | 22.0 °C |
| 1995 | 23.7 °C |
| 1996 | 22.5 °C |
| 1997 | 20.1 °C |
| 1998 | 23.7 °C |
| 2000 | 22.7 °C |
| 2001 | 22.4 °C |
| 2002 | 23.4 °C |
| 2003 | 22.9 °C |
| 2005 | 22.7 °C |
| 2006 | 23.1 °C |
| 2007 | 23.1 °C |
| 2008 | 22.8 °C |
| 2009 | 22.7 °C |
| 2010 | 24.6 °C |
| 2011 | 24.2 °C |
| 2012 | 23.3 °C |
| 2013 | 22.1 °C |
| 2014 | 23.0 °C |
| 2015 | 23.7 °C |
| 2016 | 24.4 °C |
| 2017 | 23.3 °C |
| 2018 | 23.6 °C |
| 2019 | 24.2 °C |
| 2020 | 22.5 °C |
| 2021 | 22.4 °C |
| 2022 | 23.1 °C |
| 2023 | 22.4 °C |
| 2024 | 23.8 °C |
| 2025 | 23.7 °C |
What this means for you: Since 1917, Calhoun Falls's last spring frost has come about 1 day earlier per decade, on average. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Calhoun Falls (NOAA GHCN-Daily). Years with too many missing days are left out.