When to plant in Livermore, CA

Planting dates worked out from Livermore's own frost records, not a generic zone chart.

Safe to plant out

Mar 8

1 year in 10 has a later frost

Average last frost

Feb 10

about a 50% chance of a later one

Average first fall frost

Dec 8

1 year in 10 by Nov 24

Frost-free days

299

median, 1991–2020

Station used: Livermore · 1.5 km away · station 161 m, town 150 m. How we match towns to stations

This season

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Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Jan 11 – Jan 25	Mar 8 – Mar 22	May 2
Sweet pepper	Dec 28 – Jan 11	Mar 8 – Mar 22	May 7
Lettuce (leaf)	Dec 9 – Dec 16	Jan 13 – Jan 27	Feb 22
Peas	—	Dec 30 – Jan 27	Feb 23
Bush beans	—	Mar 1 – Mar 22	Apr 20
Carrot	—	Jan 20 – Mar 3	Mar 21
Beet	—	Jan 13 – Feb 24	Mar 4
Potato	—	Jan 20 – Feb 10	Mar 31
Kale	Dec 2 – Dec 16	Jan 13 – Jan 27	Feb 25
Broccoli	Dec 2 – Dec 16	Jan 13 – Feb 3	Mar 14
Cucumber	Feb 8 – Feb 15	Mar 8 – Mar 22	Apr 27
Summer squash and zucchini	Feb 8 – Feb 15	Mar 8 – Mar 22	Apr 22
Winter squash	Feb 8 – Feb 15	Mar 8 – Mar 22	May 27
Sweet corn	—	Mar 1 – Mar 22	Apr 30
Onion (from sets)	—	Jan 13 – Feb 3	Apr 13
Garlic	—	Nov 21 – Dec 19 (fall)	following summer
Spinach	—	Dec 30 – Jan 27	Feb 6
Basil	Jan 25 – Feb 8	Mar 8 – Mar 22	May 4

Plan all 65 crops for Livermore

Livermore'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
1903	Apr 12
1904	Mar 25
1905	Mar 31
1906	Mar 21
1907	Mar 26
1908	Mar 31
1910	Feb 6
1911	Apr 13
1912	Mar 22
1913	Mar 27
1914	Mar 27
1915	Feb 21
1916	May 7
1917	Mar 31
1918	Apr 3
1919	Apr 14
1921	Feb 15
1922	Apr 16
1923	Mar 10
1924	Mar 21
1925	Mar 13
1926	Jan 27
1927	Apr 12
1928	Feb 19
1929	Apr 10
1932	Feb 19
1933	Apr 18
1934	Feb 12
1935	Mar 27
1937	Feb 15
1938	Mar 31
1939	Mar 11
1940	Mar 13
1941	Jan 2
1942	Apr 25
1943	Apr 9
1944	Mar 26
1945	Apr 5
1946	Mar 29
1947	Feb 24
1948	Feb 13
1949	Mar 4
1950	Mar 17
1951	Apr 2
1952	May 5
1953	Apr 13
1954	Mar 15
1955	Apr 15
1956	Mar 13
1957	Mar 23
1958	Mar 11
1959	Feb 13
1960	Mar 10
1961	Feb 28
1962	Mar 13
1963	Apr 17
1964	Apr 25
1965	Apr 11
1966	Mar 20
1967	Apr 1
1968	Apr 21
1969	Mar 15
1970	Apr 28
1971	Apr 1
1972	Apr 20
1974	Mar 9
1975	Apr 18
1976	Apr 12
1977	Mar 31
1979	Apr 19
1980	Mar 12
1981	Feb 3
1982	Mar 20
1983	Feb 1
1984	Feb 26
1985	Mar 29
1986	Feb 10
1988	Feb 6
1989	Mar 3
1990	Feb 20
1991	Jan 30
1992	Jan 24
1993	Jan 11
1994	Feb 14
1995	Feb 15
1996	Feb 26
1997	Mar 5
1998	Jan 5
1999	Feb 11
2000	Jan 2
2001	Feb 1
2002	Mar 8
2003	Feb 10
2004	Feb 11
2005	Jan 13
2006	Feb 22
2007	Feb 3
2008	Feb 4
2009	Mar 10
2011	Mar 1
2012	Mar 19
2013	Feb 20
2014	Feb 5
2015	Feb 24
2017	Feb 24
2018	Mar 18
2019	Feb 23
2021	Mar 18
2022	Mar 7
2023	Apr 4
2024	Jan 12
2025	Mar 19
2026	Feb 21

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1903	210
1904	234
1905	207
1906	247
1908	240
1910	285
1911	211
1912	245
1913	238
1914	234
1915	262
1916	190
1917	220
1919	205
1921	275
1922	219
1923	268
1924	270
1925	237
1926	320
1927	224
1928	283
1929	217
1931	325
1932	257
1933	225
1934	294
1935	217
1937	309
1938	225
1939	249
1940	251
1941	319
1942	193
1943	205
1944	235
1945	227
1948	259
1949	229
1950	286
1951	234
1952	196
1953	235
1954	252
1955	211
1956	224
1957	227
1958	248
1959	288
1960	256
1961	261
1962	259
1963	214
1964	202
1965	228
1966	249
1967	239
1968	219
1969	248
1970	225
1971	211
1974	244
1975	204
1976	230
1979	215
1980	244
1981	298
1982	235
1983	292
1984	247
1985	227
1986	288
1988	276
1989	283
1990	279
1991	307
1992	302
1993	308
1995	318
1996	279
1997	281
1998	333
1999	299
2001	332
2002	297
2003	308
2004	291
2005	317
2006	274
2007	311
2008	316
2009	266
2010	326
2011	279
2012	268
2013	286
2014	324
2015	274
2016	349
2017	288
2018	267
2019	278
2021	267
2022	251
2023	236
2024	308
2025	285

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

Year	Growing-season temperature
1903	18.5 °C
1904	19.2 °C
1905	18.3 °C
1906	19.1 °C
1908	18.9 °C
1910	19.1 °C
1911	17.7 °C
1912	18.6 °C
1913	19.6 °C
1915	19.3 °C
1916	18.6 °C
1917	17.9 °C
1919	18.2 °C
1921	18.7 °C
1922	18.4 °C
1923	17.5 °C
1924	18.7 °C
1925	17.5 °C
1926	18.9 °C
1927	17.5 °C
1928	19.5 °C
1929	18.7 °C
1931	20.6 °C
1933	18.2 °C
1934	19.5 °C
1935	18.2 °C
1937	19.4 °C
1938	18.8 °C
1939	19.5 °C
1940	19.1 °C
1941	18.5 °C
1942	18.3 °C
1943	18.6 °C
1944	18.5 °C
1945	19.5 °C
1948	19.6 °C
1949	19.0 °C
1950	20.2 °C
1951	19.0 °C
1952	19.3 °C
1953	17.9 °C
1954	18.5 °C
1955	18.0 °C
1956	18.6 °C
1957	19.3 °C
1958	20.2 °C
1959	19.5 °C
1960	19.1 °C
1961	18.9 °C
1962	18.3 °C
1963	17.5 °C
1964	17.4 °C
1965	17.7 °C
1966	19.1 °C
1967	18.4 °C
1968	18.9 °C
1969	19.6 °C
1970	19.3 °C
1971	18.7 °C
1973	19.4 °C
1974	18.9 °C
1975	18.4 °C
1976	18.7 °C
1977	18.9 °C
1978	19.9 °C
1979	19.7 °C
1980	18.8 °C
1981	20.4 °C
1982	18.3 °C
1983	19.1 °C
1984	20.1 °C
1985	19.9 °C
1986	18.8 °C
1988	20.1 °C
1989	19.6 °C
1990	20.2 °C
1991	19.1 °C
1992	20.8 °C
1993	19.9 °C
1994	19.4 °C
1995	19.2 °C
1996	20.6 °C
1997	20.6 °C
1998	19.2 °C
1999	19.1 °C
2000	20.2 °C
2001	20.6 °C
2002	20.1 °C
2003	20.1 °C
2004	20.4 °C
2005	20.0 °C
2006	20.6 °C
2007	19.9 °C
2008	20.3 °C
2009	20.4 °C
2010	18.9 °C
2011	19.2 °C
2012	20.0 °C
2013	20.6 °C
2014	21.2 °C
2015	20.4 °C
2016	20.3 °C
2017	20.8 °C
2018	19.7 °C
2019	20.2 °C
2021	20.7 °C
2022	21.1 °C
2023	20.1 °C
2024	21.2 °C
2025	20.5 °C
2026	20.2 °C

What this means for you: Since 1903, Livermore'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 Livermore (NOAA GHCN-Daily). Years with too many missing days are left out.

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