When to plant in Conception Bay South, NL
Planting dates worked out from Conception Bay South's own frost records, not a generic zone chart.
Safe to plant out
Jun 21
1 year in 10 has a later frost
Average last frost
Jun 5
about a 50% chance of a later one
Average first fall frost
Oct 12
1 year in 10 by Sep 19
Frost-free days
125
median, 1991–2020
Station used: Holyrood Gen Stn · 9.5 km away · station 6 m, town 48 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 26 – May 10 | Jun 21 – Jul 5 | Aug 15 |
| Sweet pepper | Apr 12 – Apr 26 | Jun 21 – Jul 5 | Aug 20 |
| Lettuce (leaf) | Apr 3 – Apr 10 | May 8 – May 22 | Jun 17 |
| Peas | — | May 8 – Jun 5 | Jul 2 |
| Bush beans | — | Jun 14 – Jul 5 | Aug 3 |
| Carrot | — | May 23 – Jul 4 | Jul 22 |
| Beet | — | May 23 – Jul 4 | Jul 12 |
| Potato | — | May 23 – Jun 13 | Aug 1 |
| Kale | Apr 3 – Apr 17 | May 15 – May 29 | Jun 27 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 29 | Jul 7 |
| Cucumber | May 24 – May 31 | Jun 21 – Jul 5 | Aug 10 |
| Summer squash and zucchini | May 24 – May 31 | Jun 21 – Jul 5 | Aug 5 |
| Winter squash | May 24 – May 31 | Jun 21 – Jul 5 | Sep 9 |
| Sweet corn | — | Jun 14 – Jul 5 | Aug 13 |
| Onion (from sets) | — | May 8 – May 29 | Aug 6 |
| Garlic | — | Sep 26 – Oct 24 (fall) | following summer |
| Spinach | — | May 8 – Jun 5 | Jun 15 |
| Basil | May 10 – May 24 | Jun 21 – Jul 5 | Aug 17 |
Conception Bay South'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 |
|---|---|
| 1971 | May 16 |
| 1972 | May 26 |
| 1973 | Jun 6 |
| 1974 | Jun 8 |
| 1975 | Jun 19 |
| 1976 | Jul 6 |
| 1977 | May 19 |
| 1978 | Jun 17 |
| 1979 | May 11 |
| 1980 | May 26 |
| 1981 | Apr 30 |
| 1982 | Jun 7 |
| 1983 | Apr 19 |
| 1986 | May 27 |
| 1987 | May 31 |
| 1988 | May 31 |
| 1989 | Jun 11 |
| 1990 | May 25 |
| 1991 | Jun 27 |
| 1992 | May 16 |
| 1993 | Jun 15 |
| 1994 | May 25 |
| 1996 | Jun 10 |
| 1997 | May 30 |
| 1998 | May 13 |
| 1999 | Jun 10 |
| 2000 | Jun 13 |
| 2001 | May 26 |
| 2002 | Jun 9 |
| 2003 | Jun 17 |
| 2004 | Jun 7 |
| 2005 | Jun 27 |
| 2009 | May 26 |
| 2010 | May 29 |
| 2016 | Jun 4 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1971 | 135 |
| 1972 | 125 |
| 1973 | 138 |
| 1974 | 125 |
| 1975 | 108 |
| 1976 | 98 |
| 1977 | 163 |
| 1979 | 145 |
| 1980 | 126 |
| 1981 | 166 |
| 1982 | 122 |
| 1983 | 194 |
| 1986 | 125 |
| 1987 | 135 |
| 1988 | 138 |
| 1989 | 121 |
| 1990 | 149 |
| 1991 | 117 |
| 1993 | 113 |
| 1994 | 118 |
| 1996 | 117 |
| 1997 | 146 |
| 1998 | 147 |
| 1999 | 110 |
| 2000 | 125 |
| 2001 | 150 |
| 2002 | 102 |
| 2003 | 136 |
| 2004 | 139 |
| 2005 | 108 |
| 2009 | 142 |
| 2016 | 144 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1972 | 10.9 °C |
| 1973 | 11.1 °C |
| 1974 | 10.3 °C |
| 1975 | 11.1 °C |
| 1976 | 11.9 °C |
| 1977 | 11.4 °C |
| 1978 | 10.9 °C |
| 1979 | 11.7 °C |
| 1980 | 10.0 °C |
| 1981 | 12.2 °C |
| 1982 | 11.0 °C |
| 1983 | 12.0 °C |
| 1984 | 11.9 °C |
| 1986 | 11.0 °C |
| 1987 | 11.3 °C |
| 1988 | 12.1 °C |
| 1989 | 12.4 °C |
| 1990 | 11.6 °C |
| 1991 | 9.9 °C |
| 1992 | 10.5 °C |
| 1993 | 10.4 °C |
| 1994 | 12.2 °C |
| 1996 | 11.5 °C |
| 1997 | 10.8 °C |
| 1998 | 12.6 °C |
| 1999 | 13.6 °C |
| 2000 | 12.4 °C |
| 2001 | 12.2 °C |
| 2002 | 11.9 °C |
| 2003 | 12.2 °C |
| 2004 | 12.2 °C |
| 2005 | 12.0 °C |
| 2008 | 11.9 °C |
| 2010 | 12.4 °C |
| 2013 | 13.5 °C |
| 2016 | 11.4 °C |
What this means for you: Since 1971, Conception Bay South's last spring frost has come about 2 days later per decade, on average. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Holyrood Gen Stn (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.