When to plant in St. Lawrence, NL
Planting dates worked out from St. Lawrence's own frost records, not a generic zone chart.
Safe to plant out
Jun 7
1 year in 10 has a later frost
Average last frost
May 27
about a 50% chance of a later one
Average first fall frost
Oct 18
1 year in 10 by Oct 6
Frost-free days
146
median, 1991–2020
Station used: Winterland · 28.8 km away · station 52 m, town 36 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 | Apr 24 – May 8 | Jun 19 – Jul 3 | Aug 13 |
| Sweet pepper | Apr 10 – Apr 24 | Jun 19 – Jul 3 | Aug 18 |
| Lettuce (leaf) | Apr 3 – Apr 10 | May 8 – May 22 | Jun 17 |
| Peas | — | May 8 – Jun 5 | Jul 2 |
| Bush beans | — | Jun 12 – Jul 3 | Aug 1 |
| Carrot | — | May 22 – Jul 3 | Jul 21 |
| Beet | — | May 22 – Jul 3 | Jul 11 |
| Potato | — | May 22 – Jun 12 | Jul 31 |
| Kale | Apr 3 – Apr 17 | May 15 – May 29 | Jun 27 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 29 | Jul 7 |
| Cucumber | May 22 – May 29 | Jun 19 – Jul 3 | Aug 8 |
| Summer squash and zucchini | May 22 – May 29 | Jun 19 – Jul 3 | Aug 3 |
| Winter squash | May 22 – May 29 | Jun 19 – Jul 3 | Sep 7 |
| Sweet corn | — | Jun 12 – Jul 3 | Aug 11 |
| Onion (from sets) | — | May 8 – May 29 | Aug 6 |
| Garlic | — | Sep 24 – Oct 22 (fall) | following summer |
| Spinach | — | May 8 – Jun 5 | Jun 15 |
| Basil | May 8 – May 22 | Jun 19 – Jul 3 | Aug 15 |
St. Lawrence'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 |
|---|---|
| 1981 | May 20 |
| 1982 | May 31 |
| 1983 | May 8 |
| 1984 | May 9 |
| 1985 | May 16 |
| 1988 | May 10 |
| 1989 | Jun 15 |
| 1990 | May 29 |
| 1991 | Jun 9 |
| 1992 | Jun 5 |
| 1993 | May 13 |
| 1994 | Jun 5 |
| 1995 | Jun 27 |
| 1996 | May 29 |
| 1997 | May 30 |
| 1998 | May 15 |
| 1999 | May 2 |
| 2000 | May 30 |
| 2001 | May 27 |
| 2002 | May 14 |
| 2003 | May 24 |
| 2004 | May 27 |
| 2005 | May 26 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1981 | 145 |
| 1982 | 129 |
| 1983 | 155 |
| 1984 | 149 |
| 1988 | 150 |
| 1989 | 124 |
| 1990 | 134 |
| 1991 | 128 |
| 1992 | 137 |
| 1993 | 146 |
| 1994 | 136 |
| 1995 | 115 |
| 1996 | 129 |
| 1997 | 146 |
| 1998 | 145 |
| 1999 | 172 |
| 2000 | 122 |
| 2001 | 149 |
| 2002 | 148 |
| 2003 | 162 |
| 2004 | 148 |
| 2005 | 162 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1982 | 9.6 °C |
| 1983 | 11.1 °C |
| 1984 | 11.3 °C |
| 1985 | 9.1 °C |
| 1988 | 11.4 °C |
| 1989 | 11.8 °C |
| 1990 | 11.2 °C |
| 1991 | 10.0 °C |
| 1992 | 10.2 °C |
| 1993 | 10.7 °C |
| 1994 | 11.5 °C |
| 1995 | 11.2 °C |
| 1996 | 11.5 °C |
| 1997 | 11.0 °C |
| 1998 | 12.3 °C |
| 1999 | 13.5 °C |
| 2000 | 11.9 °C |
| 2001 | 12.0 °C |
| 2002 | 11.2 °C |
| 2003 | 11.3 °C |
| 2004 | 11.2 °C |
| 2005 | 11.7 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Winterland (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.