When to plant in Fern Forest, HI
Planting dates worked out from Fern Forest's own frost records, not a generic zone chart.
Frost is rare in Fern Forest: in 21 of the last 21 springs there was none at all. Frost dates matter less here than heat, so the planting table below is left out.
Station used: Pali 2 Hawaii · 23.3 km away · station 847 m, town 690 m. How we match towns to stations
The station sits 157 m higher than the town, so frost dates here may be off by a week or more. Check them against local experience.
Fern Forest's weather over time
How the growing season has shifted here, year by year, from the station's own records.
See the data as a table
| Year | Frost-free days |
|---|---|
| 2000 | 363 |
| 2001 | 363 |
| 2002 | 363 |
| 2003 | 363 |
| 2004 | 363 |
| 2005 | 363 |
| 2006 | 363 |
| 2007 | 363 |
| 2008 | 363 |
| 2009 | 363 |
| 2010 | 363 |
| 2011 | 363 |
| 2012 | 363 |
| 2013 | 363 |
| 2014 | 363 |
| 2015 | 363 |
| 2016 | 363 |
| 2017 | 363 |
| 2018 | 363 |
| 2019 | 363 |
| 2020 | 363 |
| 2021 | 363 |
| 2022 | 363 |
| 2023 | 363 |
| 2024 | 363 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2000 | 20.3 °C |
| 2001 | 20.3 °C |
| 2002 | 20.7 °C |
| 2003 | 20.8 °C |
| 2004 | 21.0 °C |
| 2005 | 21.1 °C |
| 2006 | 20.5 °C |
| 2007 | 20.6 °C |
| 2008 | 19.6 °C |
| 2009 | 20.3 °C |
| 2010 | 20.4 °C |
| 2011 | 20.0 °C |
| 2012 | 20.0 °C |
| 2013 | 20.3 °C |
| 2014 | 20.8 °C |
| 2015 | 21.2 °C |
| 2016 | 21.2 °C |
| 2017 | 21.2 °C |
| 2018 | 21.4 °C |
| 2019 | 21.3 °C |
| 2020 | 21.1 °C |
| 2021 | 20.4 °C |
| 2022 | 20.9 °C |
| 2023 | 20.8 °C |
| 2024 | 21.0 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Pali 2 Hawaii (NOAA GHCN-Daily). Years with too many missing days are left out.