When to plant in Richland, MO
Planting dates worked out from Richland'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 18
1 year in 10 by Oct 5
Frost-free days
177
median, 1991–2020
Station used: Waynesville 2 W · 15.9 km away · station 271 m, town 346 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 8 – Apr 5 | May 2 |
| 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 4 – Nov 1 (fall) | following summer |
| Spinach | — | Mar 8 – Apr 5 | Apr 15 |
| Basil | Mar 23 – Apr 6 | May 4 – May 18 | Jun 30 |
Richland'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 |
|---|---|
| 1942 | Apr 10 |
| 1944 | May 6 |
| 1945 | Apr 5 |
| 1950 | Apr 26 |
| 1951 | May 12 |
| 1952 | May 11 |
| 1953 | Apr 27 |
| 1954 | May 10 |
| 1955 | Apr 8 |
| 1956 | Apr 24 |
| 1957 | May 5 |
| 1958 | May 6 |
| 1959 | May 16 |
| 1960 | May 13 |
| 1961 | May 27 |
| 1962 | Apr 18 |
| 1963 | May 1 |
| 1964 | Apr 30 |
| 1965 | Apr 29 |
| 1966 | May 10 |
| 1967 | May 3 |
| 1968 | Apr 25 |
| 1969 | May 12 |
| 1970 | May 3 |
| 1971 | May 13 |
| 1972 | Apr 25 |
| 1973 | May 17 |
| 1974 | Apr 24 |
| 1975 | Apr 20 |
| 1976 | May 9 |
| 1977 | Apr 26 |
| 1978 | May 2 |
| 1979 | May 5 |
| 1980 | May 9 |
| 1981 | May 20 |
| 1982 | Apr 24 |
| 1983 | May 9 |
| 1984 | May 30 |
| 1985 | Apr 9 |
| 1986 | Apr 23 |
| 1987 | Apr 24 |
| 1988 | Apr 29 |
| 1989 | May 11 |
| 1990 | Apr 16 |
| 1991 | Apr 24 |
| 1992 | May 7 |
| 1993 | Apr 22 |
| 1995 | Apr 28 |
| 1996 | May 1 |
| 1997 | Apr 24 |
| 1998 | Apr 11 |
| 1999 | Apr 18 |
| 2000 | Apr 13 |
| 2001 | Apr 18 |
| 2002 | Apr 6 |
| 2003 | Apr 12 |
| 2004 | Apr 14 |
| 2005 | May 4 |
| 2006 | Apr 9 |
| 2007 | Apr 15 |
| 2008 | May 4 |
| 2009 | Apr 15 |
| 2010 | Apr 9 |
| 2011 | May 4 |
| 2014 | Apr 16 |
| 2015 | Apr 4 |
| 2017 | Mar 16 |
| 2018 | Apr 20 |
| 2019 | Apr 21 |
| 2021 | Apr 23 |
| 2022 | Apr 20 |
| 2023 | Apr 24 |
| 2024 | Mar 29 |
| 2025 | Apr 12 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1942 | 198 |
| 1944 | 199 |
| 1950 | 151 |
| 1951 | 148 |
| 1952 | 134 |
| 1954 | 165 |
| 1955 | 189 |
| 1956 | 166 |
| 1957 | 146 |
| 1958 | 147 |
| 1959 | 145 |
| 1960 | 156 |
| 1961 | 128 |
| 1962 | 188 |
| 1963 | 180 |
| 1964 | 155 |
| 1965 | 165 |
| 1966 | 148 |
| 1967 | 148 |
| 1968 | 161 |
| 1969 | 154 |
| 1970 | 153 |
| 1971 | 151 |
| 1972 | 176 |
| 1973 | 152 |
| 1974 | 160 |
| 1975 | 164 |
| 1976 | 153 |
| 1977 | 160 |
| 1978 | 157 |
| 1979 | 152 |
| 1980 | 148 |
| 1981 | 135 |
| 1983 | 135 |
| 1984 | 122 |
| 1985 | 166 |
| 1986 | 173 |
| 1987 | 161 |
| 1988 | 158 |
| 1989 | 135 |
| 1990 | 177 |
| 1991 | 165 |
| 1992 | 144 |
| 1993 | 170 |
| 1996 | 162 |
| 1997 | 175 |
| 1998 | 194 |
| 1999 | 169 |
| 2000 | 176 |
| 2001 | 170 |
| 2002 | 190 |
| 2003 | 208 |
| 2004 | 204 |
| 2005 | 174 |
| 2006 | 180 |
| 2007 | 195 |
| 2008 | 175 |
| 2009 | 177 |
| 2010 | 177 |
| 2014 | 198 |
| 2015 | 208 |
| 2017 | 225 |
| 2018 | 183 |
| 2019 | 173 |
| 2021 | 194 |
| 2022 | 180 |
| 2023 | 188 |
| 2024 | 200 |
| 2025 | 211 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1944 | 21.0 °C |
| 1945 | 20.0 °C |
| 1949 | 21.0 °C |
| 1950 | 18.9 °C |
| 1951 | 19.2 °C |
| 1952 | 20.4 °C |
| 1953 | 21.0 °C |
| 1954 | 23.1 °C |
| 1955 | 21.6 °C |
| 1956 | 21.8 °C |
| 1957 | 20.1 °C |
| 1958 | 20.5 °C |
| 1959 | 20.7 °C |
| 1960 | 20.0 °C |
| 1961 | 18.7 °C |
| 1962 | 21.1 °C |
| 1963 | 21.3 °C |
| 1964 | 21.6 °C |
| 1965 | 21.0 °C |
| 1966 | 19.8 °C |
| 1967 | 19.9 °C |
| 1968 | 20.2 °C |
| 1969 | 20.6 °C |
| 1970 | 21.0 °C |
| 1971 | 20.6 °C |
| 1972 | 20.8 °C |
| 1973 | 20.5 °C |
| 1974 | 20.2 °C |
| 1975 | 20.8 °C |
| 1976 | 19.9 °C |
| 1977 | 22.3 °C |
| 1978 | 21.2 °C |
| 1979 | 19.5 °C |
| 1980 | 22.1 °C |
| 1981 | 20.7 °C |
| 1982 | 19.6 °C |
| 1983 | 20.1 °C |
| 1984 | 19.6 °C |
| 1985 | 20.0 °C |
| 1986 | 20.8 °C |
| 1987 | 21.0 °C |
| 1988 | 19.9 °C |
| 1989 | 18.7 °C |
| 1990 | 20.8 °C |
| 1991 | 21.6 °C |
| 1992 | 19.8 °C |
| 1993 | 20.1 °C |
| 1994 | 19.3 °C |
| 1995 | 20.0 °C |
| 1996 | 19.5 °C |
| 1997 | 19.0 °C |
| 1998 | 21.3 °C |
| 1999 | 20.4 °C |
| 2000 | 20.9 °C |
| 2001 | 22.2 °C |
| 2002 | 21.9 °C |
| 2003 | 20.8 °C |
| 2004 | 20.5 °C |
| 2005 | 21.8 °C |
| 2006 | 21.8 °C |
| 2007 | 21.4 °C |
| 2008 | 19.0 °C |
| 2009 | 18.7 °C |
| 2010 | 20.8 °C |
| 2011 | 20.2 °C |
| 2014 | 21.0 °C |
| 2015 | 21.5 °C |
| 2017 | 21.2 °C |
| 2018 | 21.7 °C |
| 2019 | 21.8 °C |
| 2020 | 21.3 °C |
| 2021 | 21.1 °C |
| 2022 | 22.1 °C |
| 2024 | 21.9 °C |
| 2025 | 21.7 °C |
What this means for you: Since 1942, Richland's last spring frost has come about 3 days earlier per decade, on average. The frost-free season has grown by about 5 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Waynesville 2 W (NOAA GHCN-Daily). Years with too many missing days are left out.