When to plant in Calico Rock, AR
Planting dates worked out from Calico Rock's own frost records, not a generic zone chart.
Safe to plant out
Apr 26
1 year in 10 has a later frost
Average last frost
Apr 13
about a 50% chance of a later one
Average first fall frost
Oct 24
1 year in 10 by Oct 12
Frost-free days
191
median, 1991–2020
Station used: Calico Rock 2 Wsw · 2.8 km away · station 109 m, town 125 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 1 – Mar 15 | Apr 26 – May 10 | Jun 20 |
| Sweet pepper | Feb 15 – Mar 1 | Apr 26 – May 10 | Jun 25 |
| Lettuce (leaf) | Feb 9 – Feb 16 | Mar 16 – Mar 30 | Apr 25 |
| Peas | — | Mar 2 – Mar 30 | Apr 26 |
| Bush beans | — | Apr 19 – May 10 | Jun 8 |
| Carrot | — | Mar 23 – May 4 | May 22 |
| Beet | — | Mar 16 – Apr 27 | May 5 |
| Potato | — | Mar 23 – Apr 13 | Jun 1 |
| Kale | Feb 2 – Feb 16 | Mar 16 – Mar 30 | Apr 28 |
| Broccoli | Feb 2 – Feb 16 | Mar 16 – Apr 6 | May 15 |
| Cucumber | Mar 29 – Apr 5 | Apr 26 – May 10 | Jun 15 |
| Summer squash and zucchini | Mar 29 – Apr 5 | Apr 26 – May 10 | Jun 10 |
| Winter squash | Mar 29 – Apr 5 | Apr 26 – May 10 | Jul 15 |
| Sweet corn | — | Apr 19 – May 10 | Jun 18 |
| Onion (from sets) | — | Mar 16 – Apr 6 | Jun 14 |
| Garlic | — | Oct 10 – Nov 7 (fall) | following summer |
| Spinach | — | Mar 2 – Mar 30 | Apr 9 |
| Basil | Mar 15 – Mar 29 | Apr 26 – May 10 | Jun 22 |
Calico Rock'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 |
|---|---|
| 1915 | Apr 6 |
| 1916 | Apr 9 |
| 1917 | Apr 10 |
| 1918 | Apr 10 |
| 1919 | Apr 16 |
| 1920 | Apr 14 |
| 1921 | Apr 18 |
| 1922 | Mar 24 |
| 1923 | Apr 9 |
| 1924 | Apr 3 |
| 1925 | Mar 28 |
| 1926 | Apr 20 |
| 1927 | Apr 22 |
| 1928 | Apr 28 |
| 1929 | Mar 19 |
| 1930 | Apr 1 |
| 1931 | Apr 22 |
| 1932 | Mar 28 |
| 1933 | Apr 12 |
| 1934 | Mar 29 |
| 1935 | Mar 18 |
| 1936 | Apr 7 |
| 1937 | Apr 11 |
| 1964 | Apr 10 |
| 1965 | Apr 29 |
| 1967 | Mar 22 |
| 1968 | Apr 24 |
| 1969 | May 11 |
| 1970 | Apr 7 |
| 1971 | May 3 |
| 1972 | Apr 10 |
| 1974 | Apr 17 |
| 1975 | Apr 13 |
| 1976 | May 8 |
| 1977 | Apr 6 |
| 1978 | May 3 |
| 1979 | Apr 29 |
| 1980 | Apr 16 |
| 1981 | Apr 7 |
| 1982 | Apr 24 |
| 1983 | Apr 25 |
| 1984 | May 1 |
| 1985 | Apr 9 |
| 1986 | Apr 22 |
| 1989 | May 6 |
| 1990 | Apr 12 |
| 1991 | Apr 1 |
| 1992 | May 8 |
| 1993 | Apr 22 |
| 1994 | Apr 8 |
| 1995 | Apr 5 |
| 1996 | Apr 16 |
| 1997 | Apr 18 |
| 1998 | Apr 11 |
| 1999 | Apr 18 |
| 2000 | Apr 9 |
| 2001 | Apr 19 |
| 2002 | Apr 7 |
| 2003 | Apr 12 |
| 2004 | Apr 15 |
| 2005 | May 4 |
| 2006 | Apr 11 |
| 2007 | Apr 17 |
| 2008 | Apr 30 |
| 2009 | Apr 9 |
| 2010 | Apr 9 |
| 2011 | Apr 18 |
| 2012 | Mar 11 |
| 2013 | Apr 26 |
| 2014 | Apr 18 |
| 2015 | Apr 6 |
| 2016 | Mar 30 |
| 2017 | Mar 16 |
| 2018 | Apr 21 |
| 2019 | Apr 3 |
| 2020 | Apr 19 |
| 2021 | Apr 23 |
| 2022 | Mar 13 |
| 2023 | Apr 25 |
| 2024 | Apr 23 |
| 2025 | Mar 23 |
| 2026 | Mar 29 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1915 | 185 |
| 1916 | 194 |
| 1917 | 181 |
| 1918 | 204 |
| 1919 | 210 |
| 1920 | 202 |
| 1921 | 176 |
| 1922 | 207 |
| 1923 | 195 |
| 1924 | 201 |
| 1925 | 195 |
| 1926 | 187 |
| 1927 | 194 |
| 1928 | 185 |
| 1929 | 218 |
| 1930 | 205 |
| 1931 | 191 |
| 1932 | 213 |
| 1933 | 209 |
| 1934 | 212 |
| 1935 | 232 |
| 1936 | 202 |
| 1964 | 178 |
| 1965 | 165 |
| 1967 | 190 |
| 1968 | 162 |
| 1969 | 156 |
| 1970 | 191 |
| 1971 | 183 |
| 1972 | 191 |
| 1974 | 187 |
| 1975 | 172 |
| 1976 | 154 |
| 1977 | 189 |
| 1978 | 157 |
| 1979 | 162 |
| 1980 | 178 |
| 1981 | 177 |
| 1982 | 150 |
| 1983 | 149 |
| 1984 | 184 |
| 1985 | 206 |
| 1986 | 174 |
| 1989 | 140 |
| 1990 | 193 |
| 1991 | 188 |
| 1992 | 163 |
| 1993 | 188 |
| 1994 | 200 |
| 1995 | 198 |
| 1996 | 185 |
| 1997 | 186 |
| 1998 | 208 |
| 1999 | 168 |
| 2000 | 181 |
| 2001 | 180 |
| 2002 | 189 |
| 2003 | 197 |
| 2004 | 211 |
| 2005 | 173 |
| 2007 | 196 |
| 2008 | 179 |
| 2009 | 191 |
| 2010 | 202 |
| 2011 | 185 |
| 2012 | 229 |
| 2013 | 181 |
| 2014 | 196 |
| 2015 | 215 |
| 2016 | 227 |
| 2017 | 223 |
| 2018 | 183 |
| 2019 | 192 |
| 2020 | 196 |
| 2021 | 209 |
| 2023 | 188 |
| 2024 | 175 |
| 2025 | 223 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1915 | 22.0 °C |
| 1916 | 22.6 °C |
| 1917 | 21.0 °C |
| 1918 | 21.7 °C |
| 1919 | 22.2 °C |
| 1920 | 22.0 °C |
| 1921 | 23.8 °C |
| 1922 | 23.4 °C |
| 1923 | 22.7 °C |
| 1924 | 21.2 °C |
| 1925 | 23.7 °C |
| 1926 | 22.4 °C |
| 1927 | 22.7 °C |
| 1928 | 21.4 °C |
| 1929 | 22.1 °C |
| 1930 | 22.8 °C |
| 1931 | 22.0 °C |
| 1932 | 22.6 °C |
| 1933 | 23.1 °C |
| 1934 | 23.6 °C |
| 1935 | 22.5 °C |
| 1936 | 25.0 °C |
| 1964 | 22.5 °C |
| 1965 | 22.4 °C |
| 1966 | 20.9 °C |
| 1967 | 21.1 °C |
| 1968 | 21.3 °C |
| 1969 | 21.6 °C |
| 1970 | 22.4 °C |
| 1971 | 21.6 °C |
| 1972 | 21.8 °C |
| 1973 | 20.7 °C |
| 1974 | 20.7 °C |
| 1975 | 21.1 °C |
| 1976 | 20.1 °C |
| 1977 | 23.2 °C |
| 1978 | 22.4 °C |
| 1979 | 21.0 °C |
| 1980 | 23.7 °C |
| 1981 | 22.3 °C |
| 1982 | 21.6 °C |
| 1983 | 21.5 °C |
| 1984 | 21.6 °C |
| 1985 | 21.8 °C |
| 1986 | 22.9 °C |
| 1989 | 20.4 °C |
| 1990 | 21.1 °C |
| 1991 | 21.9 °C |
| 1992 | 20.1 °C |
| 1993 | 21.0 °C |
| 1994 | 20.9 °C |
| 1995 | 21.1 °C |
| 1996 | 21.3 °C |
| 1997 | 20.5 °C |
| 1998 | 22.3 °C |
| 1999 | 21.0 °C |
| 2000 | 21.8 °C |
| 2001 | 21.9 °C |
| 2002 | 21.4 °C |
| 2003 | 20.7 °C |
| 2004 | 20.4 °C |
| 2005 | 21.9 °C |
| 2006 | 21.4 °C |
| 2007 | 21.0 °C |
| 2008 | 20.5 °C |
| 2009 | 20.1 °C |
| 2010 | 22.0 °C |
| 2011 | 21.6 °C |
| 2012 | 22.3 °C |
| 2013 | 20.1 °C |
| 2014 | 20.0 °C |
| 2015 | 20.9 °C |
| 2016 | 21.2 °C |
| 2017 | 20.3 °C |
| 2018 | 21.1 °C |
| 2019 | 21.0 °C |
| 2020 | 20.3 °C |
| 2021 | 21.6 °C |
| 2023 | 21.7 °C |
| 2024 | 22.0 °C |
| 2025 | 21.9 °C |
| 2026 | 23.3 °C |
What this means for you: Since 1915, Calico Rock's last spring frost has stayed at about the same time of year. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Calico Rock 2 Wsw (NOAA GHCN-Daily). Years with too many missing days are left out.