When to plant in Huron, CA
Planting dates worked out from Huron's own frost records, not a generic zone chart.
Safe to plant out
Apr 14
1 year in 10 has a later frost
Average last frost
Mar 1
about a 50% chance of a later one
Average first fall frost
Nov 29
1 year in 10 by Nov 11
Frost-free days
277
median, 1991–2020
Station used: Five Points 5 Ssw · 18.6 km away · station 87 m, town 114 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 17 – Mar 3 | Apr 14 – Apr 28 | Jun 8 |
| Sweet pepper | Feb 3 – Feb 17 | Apr 14 – Apr 28 | Jun 13 |
| Lettuce (leaf) | Dec 28 – Jan 4 | Feb 1 – Feb 15 | Mar 13 |
| Peas | — | Jan 18 – Feb 15 | Mar 14 |
| Bush beans | — | Apr 7 – Apr 28 | May 27 |
| Carrot | — | Feb 8 – Mar 22 | Apr 9 |
| Beet | — | Feb 1 – Mar 15 | Mar 23 |
| Potato | — | Feb 8 – Mar 1 | Apr 19 |
| Kale | Dec 21 – Jan 4 | Feb 1 – Feb 15 | Mar 16 |
| Broccoli | Dec 21 – Jan 4 | Feb 1 – Feb 22 | Apr 2 |
| Cucumber | Mar 17 – Mar 24 | Apr 14 – Apr 28 | Jun 3 |
| Summer squash and zucchini | Mar 17 – Mar 24 | Apr 14 – Apr 28 | May 29 |
| Winter squash | Mar 17 – Mar 24 | Apr 14 – Apr 28 | Jul 3 |
| Sweet corn | — | Apr 7 – Apr 28 | Jun 6 |
| Onion (from sets) | — | Feb 1 – Feb 22 | May 2 |
| Garlic | — | Nov 15 – Dec 13 (fall) | following summer |
| Spinach | — | Jan 18 – Feb 15 | Feb 25 |
| Basil | Mar 3 – Mar 17 | Apr 14 – Apr 28 | Jun 10 |
Huron'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 |
|---|---|
| 1944 | Apr 25 |
| 1945 | Apr 13 |
| 1946 | Apr 2 |
| 1947 | Mar 6 |
| 1949 | Mar 30 |
| 1950 | Mar 13 |
| 1951 | Apr 1 |
| 1952 | Mar 23 |
| 1953 | Apr 9 |
| 1954 | Mar 18 |
| 1958 | Mar 7 |
| 1959 | Jan 30 |
| 1960 | Feb 25 |
| 1961 | Jan 22 |
| 1963 | Apr 2 |
| 1967 | Apr 20 |
| 1969 | Mar 14 |
| 1971 | Apr 1 |
| 1972 | Mar 29 |
| 1975 | Apr 17 |
| 1977 | Apr 4 |
| 1981 | Feb 26 |
| 1982 | Apr 2 |
| 1983 | Jan 2 |
| 1984 | Apr 25 |
| 1985 | Mar 26 |
| 1986 | Feb 10 |
| 1989 | Feb 7 |
| 1990 | Feb 14 |
| 1991 | Mar 25 |
| 1997 | Jan 13 |
| 1998 | Mar 6 |
| 2002 | Feb 10 |
| 2003 | Feb 9 |
| 2004 | Feb 7 |
| 2006 | Jan 23 |
| 2007 | Feb 23 |
| 2008 | Feb 15 |
| 2009 | Mar 11 |
| 2012 | Mar 8 |
| 2013 | Feb 25 |
| 2014 | Feb 6 |
| 2015 | Jul 10 |
| 2017 | Mar 6 |
| 2018 | Jun 1 |
| 2020 | Feb 10 |
| 2021 | Feb 28 |
| 2024 | Feb 11 |
| 2025 | Feb 10 |
| 2026 | Feb 20 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1944 | 203 |
| 1945 | 208 |
| 1946 | 207 |
| 1949 | 202 |
| 1950 | 291 |
| 1951 | 230 |
| 1952 | 243 |
| 1953 | 195 |
| 1958 | 252 |
| 1972 | 215 |
| 1975 | 208 |
| 1977 | 229 |
| 1981 | 275 |
| 1982 | 250 |
| 1983 | 323 |
| 1984 | 213 |
| 1985 | 220 |
| 1989 | 305 |
| 1990 | 284 |
| 1991 | 247 |
| 1997 | 329 |
| 2002 | 323 |
| 2003 | 285 |
| 2004 | 286 |
| 2006 | 304 |
| 2007 | 273 |
| 2008 | 291 |
| 2009 | 252 |
| 2012 | 247 |
| 2013 | 281 |
| 2014 | 277 |
| 2015 | 117 |
| 2017 | 274 |
| 2018 | 210 |
| 2021 | 283 |
| 2024 | 277 |
| 2025 | 295 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1944 | 21.3 °C |
| 1945 | 23.2 °C |
| 1946 | 22.8 °C |
| 1949 | 22.9 °C |
| 1950 | 23.2 °C |
| 1951 | 23.2 °C |
| 1952 | 23.2 °C |
| 1953 | 21.9 °C |
| 1954 | 22.4 °C |
| 1955 | 22.3 °C |
| 1958 | 23.1 °C |
| 1959 | 23.2 °C |
| 1960 | 23.4 °C |
| 1961 | 23.3 °C |
| 1963 | 21.5 °C |
| 1967 | 22.6 °C |
| 1969 | 23.1 °C |
| 1972 | 22.4 °C |
| 1975 | 21.7 °C |
| 1976 | 20.7 °C |
| 1977 | 22.5 °C |
| 1982 | 21.6 °C |
| 1983 | 21.6 °C |
| 1984 | 23.6 °C |
| 1989 | 21.3 °C |
| 1990 | 22.4 °C |
| 1995 | 22.6 °C |
| 1997 | 23.9 °C |
| 1998 | 22.0 °C |
| 2002 | 22.4 °C |
| 2003 | 22.8 °C |
| 2004 | 23.1 °C |
| 2006 | 23.8 °C |
| 2007 | 23.2 °C |
| 2008 | 23.9 °C |
| 2009 | 24.6 °C |
| 2011 | 22.9 °C |
| 2012 | 24.2 °C |
| 2013 | 24.4 °C |
| 2014 | 25.2 °C |
| 2017 | 24.4 °C |
| 2018 | 23.0 °C |
| 2020 | 24.6 °C |
| 2021 | 25.3 °C |
| 2024 | 24.5 °C |
| 2025 | 24.6 °C |
What this means for you: Since 1944, Huron's last spring frost has come about 3 days earlier per decade, on average. The frost-free season has grown by about 7 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Five Points 5 Ssw (NOAA GHCN-Daily). Years with too many missing days are left out.