When to plant in Bountiful, UT
Planting dates worked out from Bountiful's own frost records, not a generic zone chart.
Safe to plant out
May 6
1 year in 10 has a later frost
Average last frost
Apr 18
about a 50% chance of a later one
Average first fall frost
Oct 22
1 year in 10 by Oct 10
Frost-free days
180
median, 1991–2020
Station used: Bountiful-Val Verda · 3.9 km away · station 1384 m, town 1333 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 | Mar 11 – Mar 25 | May 6 – May 20 | Jun 30 |
| Sweet pepper | Feb 25 – Mar 11 | May 6 – May 20 | Jul 5 |
| Lettuce (leaf) | Feb 14 – Feb 21 | Mar 21 – Apr 4 | Apr 30 |
| Peas | — | Mar 16 – Apr 13 | May 10 |
| Bush beans | — | Apr 29 – May 20 | Jun 18 |
| Carrot | — | Apr 1 – May 13 | May 31 |
| Beet | — | Apr 1 – May 13 | May 21 |
| Potato | — | Apr 1 – Apr 22 | Jun 10 |
| Kale | Feb 9 – Feb 23 | Mar 23 – Apr 6 | May 5 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 11 | May 20 |
| Cucumber | Apr 8 – Apr 15 | May 6 – May 20 | Jun 25 |
| Summer squash and zucchini | Apr 8 – Apr 15 | May 6 – May 20 | Jun 20 |
| Winter squash | Apr 8 – Apr 15 | May 6 – May 20 | Jul 25 |
| Sweet corn | — | Apr 29 – May 20 | Jun 28 |
| Onion (from sets) | — | Mar 21 – Apr 11 | Jun 19 |
| Garlic | — | Oct 7 – Nov 4 (fall) | following summer |
| Spinach | — | Mar 16 – Apr 13 | Apr 23 |
| Basil | Mar 25 – Apr 8 | May 6 – May 20 | Jul 2 |
Bountiful'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 |
|---|---|
| 1913 | Apr 30 |
| 1982 | Apr 21 |
| 1983 | Apr 15 |
| 1984 | Apr 28 |
| 1985 | Apr 20 |
| 1986 | Apr 27 |
| 1987 | Apr 20 |
| 1988 | May 3 |
| 1989 | Mar 21 |
| 1990 | Apr 30 |
| 1991 | Apr 29 |
| 1992 | Mar 18 |
| 1993 | May 9 |
| 1994 | Apr 10 |
| 1995 | Apr 16 |
| 1996 | Apr 28 |
| 1997 | May 3 |
| 1998 | Apr 18 |
| 1999 | Apr 12 |
| 2000 | Mar 31 |
| 2001 | Apr 13 |
| 2002 | May 8 |
| 2003 | Apr 8 |
| 2004 | Mar 11 |
| 2005 | Apr 5 |
| 2006 | Apr 21 |
| 2007 | Apr 20 |
| 2009 | Apr 17 |
| 2010 | May 7 |
| 2011 | May 1 |
| 2012 | Apr 7 |
| 2013 | May 1 |
| 2014 | Apr 29 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1913 | 162 |
| 1982 | 169 |
| 1983 | 206 |
| 1984 | 169 |
| 1985 | 184 |
| 1986 | 167 |
| 1987 | 208 |
| 1988 | 194 |
| 1989 | 218 |
| 1990 | 169 |
| 1991 | 177 |
| 1992 | 229 |
| 1993 | 174 |
| 1994 | 187 |
| 1995 | 188 |
| 1996 | 171 |
| 1997 | 173 |
| 1998 | 198 |
| 1999 | 186 |
| 2000 | 215 |
| 2001 | 181 |
| 2002 | 156 |
| 2003 | 200 |
| 2004 | 233 |
| 2005 | 221 |
| 2006 | 179 |
| 2007 | 155 |
| 2009 | 171 |
| 2010 | 172 |
| 2011 | 177 |
| 2012 | 200 |
| 2013 | 167 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1913 | 18.8 °C |
| 1981 | 20.0 °C |
| 1982 | 17.7 °C |
| 1983 | 17.6 °C |
| 1984 | 17.9 °C |
| 1985 | 19.3 °C |
| 1986 | 18.4 °C |
| 1987 | 19.1 °C |
| 1988 | 19.3 °C |
| 1989 | 18.7 °C |
| 1990 | 19.3 °C |
| 1991 | 17.7 °C |
| 1992 | 19.1 °C |
| 1993 | 16.6 °C |
| 1994 | 19.8 °C |
| 1996 | 18.3 °C |
| 1997 | 18.4 °C |
| 1998 | 17.9 °C |
| 1999 | 17.4 °C |
| 2000 | 19.6 °C |
| 2001 | 19.8 °C |
| 2002 | 19.4 °C |
| 2003 | 19.8 °C |
| 2004 | 18.9 °C |
| 2005 | 18.2 °C |
| 2006 | 19.4 °C |
| 2007 | 20.0 °C |
| 2009 | 18.3 °C |
| 2010 | 17.6 °C |
| 2011 | 17.6 °C |
| 2012 | 20.0 °C |
| 2013 | 19.5 °C |
What this means for you: Since 1913, Bountiful's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 2 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Bountiful-Val Verda (NOAA GHCN-Daily). Years with too many missing days are left out.