When to plant in Jesup, IA
Planting dates worked out from Jesup's own frost records, not a generic zone chart.
Safe to plant out
May 14
1 year in 10 has a later frost
Average last frost
Apr 26
about a 50% chance of a later one
Average first fall frost
Oct 5
1 year in 10 by Sep 21
Frost-free days
154
median, 1991–2020
Station used: Independence #1 · 16.3 km away · station 308 m, town 300 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 19 – Apr 2 | May 14 – May 28 | Jul 8 |
| Sweet pepper | Mar 5 – Mar 19 | May 14 – May 28 | Jul 13 |
| Lettuce (leaf) | Feb 27 – Mar 6 | Apr 3 – Apr 17 | May 13 |
| Peas | — | Apr 3 – May 1 | May 28 |
| Bush beans | — | May 7 – May 28 | Jun 26 |
| Carrot | — | Apr 12 – May 24 | Jun 11 |
| Beet | — | Apr 12 – May 24 | Jun 1 |
| Potato | — | Apr 12 – May 3 | Jun 21 |
| Kale | Feb 27 – Mar 13 | Apr 10 – Apr 24 | May 23 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 24 | Jun 2 |
| Cucumber | Apr 16 – Apr 23 | May 14 – May 28 | Jul 3 |
| Summer squash and zucchini | Apr 16 – Apr 23 | May 14 – May 28 | Jun 28 |
| Winter squash | Apr 16 – Apr 23 | May 14 – May 28 | Aug 2 |
| Sweet corn | — | May 7 – May 28 | Jul 6 |
| Onion (from sets) | — | Apr 3 – Apr 24 | Jul 2 |
| Garlic | — | Sep 21 – Oct 19 (fall) | following summer |
| Spinach | — | Apr 3 – May 1 | May 11 |
| Basil | Apr 2 – Apr 16 | May 14 – May 28 | Jul 10 |
Jesup'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 |
|---|---|
| 1883 | Apr 1 |
| 1884 | Apr 8 |
| 1885 | Apr 13 |
| 1886 | Apr 5 |
| 1887 | Apr 24 |
| 1892 | May 20 |
| 1982 | Apr 27 |
| 1983 | May 8 |
| 1984 | May 2 |
| 1985 | Apr 15 |
| 1986 | Apr 23 |
| 1987 | Apr 11 |
| 1988 | Apr 28 |
| 1989 | May 7 |
| 1990 | Apr 18 |
| 1991 | Apr 23 |
| 1992 | May 6 |
| 1993 | Apr 21 |
| 1994 | May 1 |
| 1995 | Apr 25 |
| 1996 | May 13 |
| 1997 | May 16 |
| 1998 | Apr 17 |
| 1999 | Mar 27 |
| 2000 | Apr 12 |
| 2001 | Apr 18 |
| 2002 | May 20 |
| 2003 | Apr 23 |
| 2004 | May 6 |
| 2007 | Apr 16 |
| 2008 | Apr 30 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1883 | 202 |
| 1884 | 196 |
| 1885 | 175 |
| 1887 | 180 |
| 1892 | 151 |
| 1982 | 171 |
| 1983 | 136 |
| 1984 | 135 |
| 1985 | 161 |
| 1986 | 165 |
| 1987 | 174 |
| 1988 | 157 |
| 1989 | 138 |
| 1990 | 175 |
| 1991 | 148 |
| 1992 | 145 |
| 1993 | 166 |
| 1994 | 183 |
| 1995 | 149 |
| 1996 | 142 |
| 1997 | 150 |
| 1998 | 187 |
| 1999 | 190 |
| 2000 | 176 |
| 2001 | 170 |
| 2002 | 139 |
| 2003 | 158 |
| 2004 | 148 |
| 2007 | 151 |
| 2008 | 167 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1884 | 17.7 °C |
| 1885 | 16.9 °C |
| 1887 | 19.0 °C |
| 1892 | 16.6 °C |
| 1982 | 16.5 °C |
| 1983 | 17.6 °C |
| 1984 | 16.7 °C |
| 1985 | 16.8 °C |
| 1986 | 17.8 °C |
| 1987 | 19.0 °C |
| 1988 | 19.4 °C |
| 1989 | 17.5 °C |
| 1990 | 17.7 °C |
| 1991 | 18.8 °C |
| 1992 | 16.4 °C |
| 1993 | 16.6 °C |
| 1994 | 17.8 °C |
| 1995 | 18.1 °C |
| 1996 | 16.8 °C |
| 1997 | 17.4 °C |
| 1998 | 19.5 °C |
| 1999 | 18.7 °C |
| 2000 | 18.8 °C |
| 2002 | 17.0 °C |
| 2003 | 16.8 °C |
| 2004 | 16.6 °C |
| 2007 | 18.2 °C |
| 2008 | 17.1 °C |
What this means for you: Since 1883, Jesup's last spring frost has come about 1 day later per decade, on average. The frost-free season has shrunk 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 Independence #1 (NOAA GHCN-Daily). Years with too many missing days are left out.