When to plant in Aztec, NM
Planting dates worked out from Aztec's own frost records, not a generic zone chart.
Safe to plant out
May 28
1 year in 10 has a later frost
Average last frost
May 10
about a 50% chance of a later one
Average first fall frost
Oct 8
1 year in 10 by Sep 23
Frost-free days
151
median, 1991–2020
Station used: Aztec Ruins Nm · 1.6 km away · station 1720 m, town 1721 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 | Apr 2 – Apr 16 | May 28 – Jun 11 | Jul 22 |
| Sweet pepper | Mar 19 – Apr 2 | May 28 – Jun 11 | Jul 27 |
| Lettuce (leaf) | Mar 8 – Mar 15 | Apr 12 – Apr 26 | May 22 |
| Peas | — | Mar 29 – Apr 26 | May 23 |
| Bush beans | — | May 21 – Jun 11 | Jul 10 |
| Carrot | — | Apr 19 – May 31 | Jun 18 |
| Beet | — | Apr 12 – May 24 | Jun 1 |
| Potato | — | Apr 19 – May 10 | Jun 28 |
| Kale | Mar 1 – Mar 15 | Apr 12 – Apr 26 | May 25 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – May 3 | Jun 11 |
| Cucumber | Apr 30 – May 7 | May 28 – Jun 11 | Jul 17 |
| Summer squash and zucchini | Apr 30 – May 7 | May 28 – Jun 11 | Jul 12 |
| Winter squash | Apr 30 – May 7 | May 28 – Jun 11 | Aug 16 |
| Sweet corn | — | May 21 – Jun 11 | Jul 20 |
| Onion (from sets) | — | Apr 12 – May 3 | Jul 11 |
| Garlic | — | Sep 24 – Oct 22 (fall) | following summer |
| Spinach | — | Mar 29 – Apr 26 | May 6 |
| Basil | Apr 16 – Apr 30 | May 28 – Jun 11 | Jul 24 |
Aztec'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 |
|---|---|
| 1895 | May 3 |
| 1896 | May 14 |
| 1897 | Jun 2 |
| 1898 | May 21 |
| 1899 | May 29 |
| 1900 | Apr 28 |
| 1920 | May 12 |
| 1921 | May 19 |
| 1922 | May 13 |
| 1923 | Jun 1 |
| 1924 | May 9 |
| 1925 | Apr 28 |
| 1926 | Apr 11 |
| 1928 | May 3 |
| 1929 | May 29 |
| 1930 | May 23 |
| 1931 | May 20 |
| 1932 | May 7 |
| 1933 | May 15 |
| 1934 | Apr 24 |
| 1935 | May 15 |
| 1936 | May 9 |
| 1937 | Jun 6 |
| 1938 | May 9 |
| 1939 | Jun 18 |
| 1940 | May 2 |
| 1941 | Apr 24 |
| 1942 | Jun 5 |
| 1943 | May 19 |
| 1944 | May 6 |
| 1945 | Jun 17 |
| 1946 | May 30 |
| 1947 | Apr 30 |
| 1948 | May 20 |
| 1949 | May 21 |
| 1950 | Jun 8 |
| 1951 | Jun 3 |
| 1952 | May 23 |
| 1953 | May 29 |
| 1954 | May 2 |
| 1955 | May 18 |
| 1956 | May 15 |
| 1957 | Apr 28 |
| 1958 | May 9 |
| 1959 | May 10 |
| 1960 | May 20 |
| 1961 | May 8 |
| 1962 | May 27 |
| 1963 | May 12 |
| 1964 | May 10 |
| 1965 | May 9 |
| 1966 | Apr 24 |
| 1967 | May 15 |
| 1968 | May 17 |
| 1969 | Apr 29 |
| 1970 | May 14 |
| 1971 | May 24 |
| 1972 | May 23 |
| 1973 | Jun 19 |
| 1974 | Jun 10 |
| 1975 | Jun 26 |
| 1976 | Jun 15 |
| 1978 | May 18 |
| 1979 | May 13 |
| 1980 | May 26 |
| 1981 | May 10 |
| 1982 | May 14 |
| 1983 | May 19 |
| 1984 | May 8 |
| 1985 | May 14 |
| 1986 | May 10 |
| 1987 | May 27 |
| 1988 | Jun 1 |
| 1989 | Jun 22 |
| 1990 | Jun 2 |
| 1991 | May 12 |
| 1992 | Apr 21 |
| 1993 | May 10 |
| 1994 | Apr 30 |
| 1995 | May 6 |
| 1996 | Apr 30 |
| 1997 | May 2 |
| 1998 | May 15 |
| 1999 | Jun 5 |
| 2000 | Apr 25 |
| 2001 | Apr 23 |
| 2002 | May 22 |
| 2003 | May 13 |
| 2004 | May 14 |
| 2005 | May 13 |
| 2006 | May 29 |
| 2007 | May 7 |
| 2008 | May 3 |
| 2009 | Apr 27 |
| 2010 | May 20 |
| 2011 | May 13 |
| 2012 | May 30 |
| 2013 | May 5 |
| 2014 | May 14 |
| 2015 | May 11 |
| 2016 | Apr 30 |
| 2018 | Apr 27 |
| 2019 | May 28 |
| 2021 | May 24 |
| 2022 | May 13 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1895 | 140 |
| 1896 | 148 |
| 1897 | 129 |
| 1898 | 113 |
| 1899 | 138 |
| 1900 | 143 |
| 1921 | 151 |
| 1922 | 146 |
| 1923 | 131 |
| 1925 | 169 |
| 1926 | 175 |
| 1928 | 132 |
| 1929 | 134 |
| 1930 | 124 |
| 1931 | 123 |
| 1932 | 155 |
| 1933 | 153 |
| 1934 | 154 |
| 1935 | 154 |
| 1936 | 142 |
| 1937 | 111 |
| 1938 | 159 |
| 1939 | 107 |
| 1940 | 172 |
| 1941 | 165 |
| 1942 | 120 |
| 1943 | 146 |
| 1944 | 176 |
| 1945 | 126 |
| 1946 | 129 |
| 1947 | 174 |
| 1948 | 139 |
| 1949 | 140 |
| 1950 | 145 |
| 1951 | 124 |
| 1952 | 141 |
| 1953 | 147 |
| 1954 | 165 |
| 1955 | 141 |
| 1956 | 152 |
| 1957 | 177 |
| 1958 | 164 |
| 1959 | 138 |
| 1960 | 152 |
| 1961 | 144 |
| 1962 | 157 |
| 1963 | 172 |
| 1964 | 162 |
| 1965 | 134 |
| 1966 | 171 |
| 1967 | 144 |
| 1968 | 122 |
| 1969 | 158 |
| 1970 | 134 |
| 1971 | 116 |
| 1972 | 129 |
| 1973 | 98 |
| 1974 | 109 |
| 1975 | 91 |
| 1978 | 124 |
| 1980 | 120 |
| 1981 | 159 |
| 1982 | 140 |
| 1983 | 124 |
| 1984 | 157 |
| 1985 | 131 |
| 1986 | 123 |
| 1987 | 130 |
| 1988 | 109 |
| 1989 | 78 |
| 1990 | 128 |
| 1991 | 165 |
| 1992 | 169 |
| 1993 | 162 |
| 1994 | 169 |
| 1995 | 151 |
| 1996 | 141 |
| 1997 | 163 |
| 1998 | 143 |
| 1999 | 115 |
| 2000 | 152 |
| 2001 | 170 |
| 2002 | 134 |
| 2003 | 153 |
| 2005 | 150 |
| 2006 | 110 |
| 2008 | 161 |
| 2009 | 147 |
| 2010 | 141 |
| 2011 | 147 |
| 2012 | 129 |
| 2014 | 151 |
| 2015 | 169 |
| 2016 | 146 |
| 2018 | 169 |
| 2019 | 135 |
| 2021 | 142 |
| 2022 | 153 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1895 | 18.4 °C |
| 1896 | 18.4 °C |
| 1897 | 17.2 °C |
| 1898 | 18.0 °C |
| 1900 | 17.5 °C |
| 1920 | 16.5 °C |
| 1921 | 16.6 °C |
| 1922 | 17.6 °C |
| 1923 | 16.3 °C |
| 1925 | 18.5 °C |
| 1928 | 17.8 °C |
| 1929 | 18.3 °C |
| 1930 | 17.4 °C |
| 1931 | 18.4 °C |
| 1932 | 17.5 °C |
| 1933 | 17.7 °C |
| 1934 | 18.9 °C |
| 1935 | 17.4 °C |
| 1936 | 18.5 °C |
| 1937 | 17.7 °C |
| 1938 | 17.3 °C |
| 1939 | 18.4 °C |
| 1940 | 17.6 °C |
| 1941 | 16.9 °C |
| 1942 | 17.9 °C |
| 1943 | 18.6 °C |
| 1944 | 17.0 °C |
| 1945 | 17.2 °C |
| 1946 | 18.1 °C |
| 1947 | 17.1 °C |
| 1948 | 17.3 °C |
| 1949 | 17.1 °C |
| 1950 | 17.3 °C |
| 1951 | 17.9 °C |
| 1952 | 18.7 °C |
| 1953 | 18.1 °C |
| 1954 | 19.5 °C |
| 1955 | 18.2 °C |
| 1956 | 19.0 °C |
| 1957 | 17.7 °C |
| 1958 | 19.1 °C |
| 1959 | 19.1 °C |
| 1960 | 19.4 °C |
| 1961 | 18.4 °C |
| 1962 | 18.2 °C |
| 1963 | 19.2 °C |
| 1964 | 18.2 °C |
| 1965 | 17.3 °C |
| 1966 | 19.1 °C |
| 1967 | 18.1 °C |
| 1968 | 17.5 °C |
| 1969 | 18.8 °C |
| 1970 | 17.9 °C |
| 1971 | 17.9 °C |
| 1972 | 17.6 °C |
| 1973 | 16.5 °C |
| 1974 | 17.6 °C |
| 1975 | 16.4 °C |
| 1976 | 17.7 °C |
| 1977 | 17.8 °C |
| 1978 | 17.0 °C |
| 1980 | 18.0 °C |
| 1981 | 19.4 °C |
| 1982 | 18.4 °C |
| 1983 | 17.7 °C |
| 1984 | 18.5 °C |
| 1985 | 18.6 °C |
| 1986 | 17.9 °C |
| 1987 | 17.9 °C |
| 1988 | 18.3 °C |
| 1989 | 18.3 °C |
| 1990 | 18.5 °C |
| 1991 | 17.8 °C |
| 1992 | 18.3 °C |
| 1993 | 17.8 °C |
| 1994 | 19.5 °C |
| 1995 | 17.7 °C |
| 1996 | 19.0 °C |
| 1997 | 18.1 °C |
| 1998 | 18.4 °C |
| 1999 | 17.2 °C |
| 2000 | 19.9 °C |
| 2001 | 19.3 °C |
| 2002 | 19.6 °C |
| 2004 | 18.0 °C |
| 2005 | 18.3 °C |
| 2006 | 19.1 °C |
| 2007 | 19.3 °C |
| 2008 | 18.7 °C |
| 2009 | 18.7 °C |
| 2010 | 19.1 °C |
| 2011 | 19.2 °C |
| 2012 | 19.8 °C |
| 2013 | 19.8 °C |
| 2014 | 19.8 °C |
| 2015 | 19.4 °C |
| 2016 | 19.4 °C |
| 2018 | 20.8 °C |
| 2019 | 19.4 °C |
| 2021 | 20.4 °C |
| 2022 | 20.3 °C |
What this means for you: Since 1895, Aztec'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 Aztec Ruins Nm (NOAA GHCN-Daily). Years with too many missing days are left out.