When to plant in Prince Rupert, BC
Planting dates worked out from Prince Rupert's own frost records, not a generic zone chart.
Safe to plant out
Apr 2
1 year in 10 has a later frost
Average last frost
Mar 8
about a 50% chance of a later one
Average first fall frost
Dec 5
1 year in 10 by Nov 9
Frost-free days
266
median, 1991–2020
Station used: Holland Rock · 16.1 km away · station 6 m, town 26 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 | May 4 – May 18 | Jun 29 – Jul 13 | Aug 23 |
| Sweet pepper | Apr 20 – May 4 | Jun 29 – Jul 13 | Aug 28 |
| Lettuce (leaf) | Mar 1 – Mar 8 | Apr 5 – Apr 19 | May 15 |
| Peas | — | Apr 5 – May 3 | May 30 |
| Bush beans | — | Jun 12 – Jul 3 | Aug 1 |
| Carrot | — | May 1 – Jun 12 | Jun 30 |
| Beet | — | May 1 – Jun 12 | Jun 20 |
| Potato | — | May 1 – May 22 | Jul 10 |
| Kale | Mar 1 – Mar 15 | Apr 12 – Apr 26 | May 25 |
| Broccoli | Feb 22 – Mar 8 | Apr 5 – Apr 26 | Jun 4 |
| Cucumber | Jun 1 – Jun 8 | Jun 29 – Jul 13 | Aug 18 |
| Summer squash and zucchini | Jun 1 – Jun 8 | Jun 29 – Jul 13 | Aug 13 |
| Winter squash | Jun 1 – Jun 8 | Jun 29 – Jul 13 | Sep 17 |
| Sweet corn | — | Jun 12 – Jul 3 | Aug 11 |
| Onion (from sets) | — | Apr 5 – Apr 26 | Jul 4 |
| Garlic | — | Sep 27 – Oct 25 (fall) | following summer |
| Spinach | — | Apr 5 – May 3 | May 13 |
| Basil | May 18 – Jun 1 | Jun 29 – Jul 13 | Aug 25 |
Prince Rupert'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 |
|---|---|
| 1992 | Feb 21 |
| 1993 | Feb 24 |
| 1994 | Mar 6 |
| 1995 | Mar 24 |
| 1996 | Apr 2 |
| 1999 | Feb 6 |
| 2000 | Feb 14 |
| 2001 | Mar 21 |
| 2002 | Mar 20 |
| 2003 | Mar 12 |
| 2004 | Feb 4 |
| 2005 | Apr 1 |
| 2006 | Mar 18 |
| 2007 | Apr 3 |
| 2008 | Mar 28 |
| 2009 | Mar 25 |
| 2011 | Mar 3 |
| 2012 | Apr 7 |
| 2013 | Mar 21 |
| 2014 | Mar 6 |
| 2015 | Jan 5 |
| 2016 | Jan 4 |
| 2017 | Mar 11 |
| 2018 | Mar 7 |
| 2020 | Apr 1 |
| 2021 | Apr 10 |
| 2025 | Feb 13 |
| 2026 | Mar 25 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1993 | 309 |
| 1995 | 228 |
| 1999 | 315 |
| 2000 | 298 |
| 2001 | 250 |
| 2002 | 223 |
| 2003 | 252 |
| 2004 | 304 |
| 2005 | 242 |
| 2007 | 244 |
| 2008 | 259 |
| 2009 | 256 |
| 2013 | 241 |
| 2014 | 266 |
| 2015 | 352 |
| 2016 | 335 |
| 2017 | 285 |
| 2018 | 298 |
| 2020 | 273 |
| 2021 | 237 |
| 2025 | 308 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1992 | 11.0 °C |
| 1993 | 11.4 °C |
| 1994 | 10.8 °C |
| 1995 | 10.7 °C |
| 1999 | 10.4 °C |
| 2000 | 11.0 °C |
| 2001 | 10.6 °C |
| 2002 | 10.7 °C |
| 2003 | 11.2 °C |
| 2004 | 11.9 °C |
| 2005 | 11.8 °C |
| 2007 | 10.7 °C |
| 2008 | 10.0 °C |
| 2009 | 10.8 °C |
| 2011 | 10.3 °C |
| 2012 | 9.7 °C |
| 2013 | 11.0 °C |
| 2014 | 11.5 °C |
| 2015 | 11.6 °C |
| 2016 | 12.1 °C |
| 2017 | 11.3 °C |
| 2020 | 11.6 °C |
| 2021 | 11.2 °C |
| 2023 | 11.5 °C |
| 2024 | 11.3 °C |
| 2025 | 11.6 °C |
| 2026 | 11.2 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Holland Rock (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.