When to plant in La Crescenta-Montrose, CA
Planting dates worked out from La Crescenta-Montrose's own frost records, not a generic zone chart.
Frost is rare in La Crescenta-Montrose: in 14 of the last 18 springs there was none at all. Frost dates matter less here than heat, so the planting table below is left out.
Safe to plant out
Jan 31
1 year in 10 has a later frost
Average last frost
Jan 12
about a 50% chance of a later one
Average first fall frost
Dec 29
1 year in 10 by Dec 24
Frost-free days
363
median, 1991–2020
Station used: Little Tujunga California · 13.4 km away · station 424 m, town 561 m. How we match towns to stations
La Crescenta-Montrose's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2003 | 359 |
| 2004 | 363 |
| 2005 | 363 |
| 2006 | 279 |
| 2007 | 350 |
| 2008 | 363 |
| 2009 | 340 |
| 2010 | 363 |
| 2011 | 265 |
| 2012 | 363 |
| 2013 | 350 |
| 2014 | 363 |
| 2015 | 363 |
| 2016 | 363 |
| 2017 | 363 |
| 2018 | 363 |
| 2019 | 363 |
| 2020 | 363 |
| 2021 | 363 |
| 2022 | 363 |
| 2023 | 311 |
| 2024 | 363 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2003 | 20.4 °C |
| 2004 | 20.3 °C |
| 2005 | 19.9 °C |
| 2006 | 21.2 °C |
| 2007 | 20.5 °C |
| 2008 | 21.2 °C |
| 2009 | 20.9 °C |
| 2010 | 19.4 °C |
| 2011 | 19.9 °C |
| 2012 | 21.3 °C |
| 2013 | 21.1 °C |
| 2014 | 21.5 °C |
| 2015 | 21.1 °C |
| 2016 | 21.0 °C |
| 2017 | 21.5 °C |
| 2018 | 21.5 °C |
| 2019 | 20.5 °C |
| 2020 | 21.8 °C |
| 2021 | 21.3 °C |
| 2022 | 22.1 °C |
| 2023 | 19.7 °C |
| 2024 | 20.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Little Tujunga California (NOAA GHCN-Daily). Years with too many missing days are left out.