When to plant in Harbour Grace, NL
Planting dates worked out from Harbour Grace's own frost records, not a generic zone chart.
Safe to plant out
Jun 28
1 year in 10 has a later frost
Average last frost
Jun 14
about a 50% chance of a later one
Average first fall frost
Sep 19
1 year in 10 by Sep 5
Frost-free days
97
median, 1991–2020
Station used: Butlerville · 13.5 km away · station 16 m, town 5 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 3 – May 17 | Jun 28 – Jul 12 | Aug 22 |
| Sweet pepper | Apr 19 – May 3 | Jun 28 – Jul 12 | Aug 27 |
| Lettuce (leaf) | Apr 12 – Apr 19 | May 17 – May 31 | Jun 26 |
| Peas | — | May 6 – Jun 3 | Jun 30 |
| Bush beans | — | Jun 21 – Jul 12 | Aug 10 |
| Carrot | — | May 24 – Jul 5 | Jul 23 |
| Beet | — | May 21 – Jul 2 | Jul 10 |
| Potato | — | May 24 – Jun 14 | Aug 2 |
| Kale | Apr 5 – Apr 19 | May 17 – May 31 | Jun 29 |
| Broccoli | Apr 5 – Apr 19 | May 17 – Jun 7 | Jul 16 |
| Cucumber | May 31 – Jun 7 | Jun 28 – Jul 12 | Aug 17 |
| Summer squash and zucchini | May 31 – Jun 7 | Jun 28 – Jul 12 | Aug 12 |
| Winter squash Season likely too short |
May 31 – Jun 7 | Jun 28 – Jul 12 | Sep 16 |
| Sweet corn | — | Jun 21 – Jul 12 | Aug 20 |
| Onion (from sets) | — | May 17 – Jun 7 | Aug 15 |
| Garlic | — | Sep 5 – Oct 3 (fall) | following summer |
| Spinach | — | May 6 – Jun 3 | Jun 13 |
| Basil | May 17 – May 31 | Jun 28 – Jul 12 | Aug 24 |
Harbour Grace'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 |
|---|---|
| 1989 | Jun 11 |
| 1990 | Jun 2 |
| 1991 | Jun 27 |
| 1992 | Jun 18 |
| 1993 | Jun 7 |
| 1994 | Jun 5 |
| 1995 | Jun 26 |
| 1996 | Jun 25 |
| 1997 | Jun 9 |
| 1998 | May 13 |
| 1999 | Jun 10 |
| 2000 | Jun 13 |
| 2001 | Jun 2 |
| 2002 | Jun 24 |
| 2003 | Jun 17 |
| 2004 | Jun 7 |
| 2005 | Jun 27 |
| 2006 | Jun 1 |
| 2009 | Jul 10 |
| 2010 | Jun 2 |
| 2013 | Jun 13 |
| 2014 | Jun 30 |
| 2015 | Jun 28 |
| 2019 | May 27 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1989 | 106 |
| 1990 | 102 |
| 1991 | 58 |
| 1992 | 98 |
| 1993 | 102 |
| 1994 | 110 |
| 1995 | 82 |
| 1996 | 83 |
| 1997 | 107 |
| 1998 | 147 |
| 1999 | 101 |
| 2000 | 89 |
| 2001 | 128 |
| 2002 | 68 |
| 2003 | 122 |
| 2004 | 96 |
| 2005 | 93 |
| 2009 | 57 |
| 2010 | 114 |
| 2015 | 72 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1989 | 12.2 °C |
| 1990 | 11.2 °C |
| 1991 | 9.8 °C |
| 1992 | 10.3 °C |
| 1993 | 10.1 °C |
| 1994 | 11.7 °C |
| 1995 | 10.7 °C |
| 1996 | 11.2 °C |
| 1997 | 10.6 °C |
| 1998 | 12.2 °C |
| 1999 | 12.8 °C |
| 2000 | 12.1 °C |
| 2001 | 11.7 °C |
| 2002 | 11.4 °C |
| 2003 | 11.8 °C |
| 2004 | 11.8 °C |
| 2005 | 12.0 °C |
| 2008 | 11.3 °C |
| 2009 | 12.4 °C |
| 2010 | 12.3 °C |
| 2015 | 8.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Butlerville (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.