When to plant in Brilliant, OH
Planting dates worked out from Brilliant's own frost records, not a generic zone chart.
Safe to plant out
Apr 28
1 year in 10 has a later frost
Average last frost
Apr 15
about a 50% chance of a later one
Average first fall frost
Nov 1
1 year in 10 by Oct 22
Frost-free days
200
median, 1991–2020
Station used: Pike Island(Lock & Dam) · 14.5 km away · station 195 m, town 210 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 3 – Mar 17 | Apr 28 – May 12 | Jun 22 |
| Sweet pepper | Feb 17 – Mar 3 | Apr 28 – May 12 | Jun 27 |
| Lettuce (leaf) | Feb 18 – Feb 25 | Mar 25 – Apr 8 | May 4 |
| Peas | — | Mar 25 – Apr 22 | May 19 |
| Bush beans | — | Apr 21 – May 12 | Jun 10 |
| Carrot | — | Apr 2 – May 14 | Jun 1 |
| Beet | — | Apr 2 – May 14 | May 22 |
| Potato | — | Apr 2 – Apr 23 | Jun 11 |
| Kale | Feb 18 – Mar 4 | Apr 1 – Apr 15 | May 14 |
| Broccoli | Feb 11 – Feb 25 | Mar 25 – Apr 15 | May 24 |
| Cucumber | Mar 31 – Apr 7 | Apr 28 – May 12 | Jun 17 |
| Summer squash and zucchini | Mar 31 – Apr 7 | Apr 28 – May 12 | Jun 12 |
| Winter squash | Mar 31 – Apr 7 | Apr 28 – May 12 | Jul 17 |
| Sweet corn | — | Apr 21 – May 12 | Jun 20 |
| Onion (from sets) | — | Mar 25 – Apr 15 | Jun 23 |
| Garlic | — | Oct 15 – Nov 12 (fall) | following summer |
| Spinach | — | Mar 25 – Apr 22 | May 2 |
| Basil | Mar 17 – Mar 31 | Apr 28 – May 12 | Jun 24 |
Brilliant'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 |
|---|---|
| 1982 | Apr 23 |
| 1983 | May 10 |
| 1984 | Apr 11 |
| 1985 | Apr 11 |
| 1986 | May 4 |
| 1987 | Apr 9 |
| 1988 | Apr 21 |
| 1989 | Apr 24 |
| 1990 | Apr 20 |
| 1991 | Apr 4 |
| 1992 | Apr 14 |
| 1993 | Apr 5 |
| 1994 | Apr 23 |
| 1995 | Apr 16 |
| 1996 | May 15 |
| 1997 | Apr 21 |
| 1998 | Apr 12 |
| 1999 | Apr 1 |
| 2000 | Apr 28 |
| 2001 | Apr 20 |
| 2002 | Apr 8 |
| 2003 | Apr 25 |
| 2004 | Apr 7 |
| 2005 | Mar 23 |
| 2006 | Apr 10 |
| 2007 | Apr 11 |
| 2008 | Apr 17 |
| 2009 | Apr 13 |
| 2010 | Mar 28 |
| 2011 | Apr 4 |
| 2012 | Apr 13 |
| 2013 | Apr 22 |
| 2014 | Apr 25 |
| 2015 | Apr 25 |
| 2016 | Apr 14 |
| 2017 | Apr 9 |
| 2018 | May 1 |
| 2019 | Apr 3 |
| 2020 | May 10 |
| 2023 | Apr 26 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1982 | 195 |
| 1983 | 172 |
| 1984 | 205 |
| 1985 | 223 |
| 1986 | 189 |
| 1987 | 199 |
| 1988 | 174 |
| 1989 | 193 |
| 1990 | 189 |
| 1991 | 212 |
| 1992 | 188 |
| 1993 | 210 |
| 1994 | 187 |
| 1995 | 201 |
| 1996 | 171 |
| 1997 | 184 |
| 1998 | 206 |
| 1999 | 216 |
| 2000 | 184 |
| 2001 | 191 |
| 2002 | 208 |
| 2003 | 197 |
| 2004 | 215 |
| 2005 | 233 |
| 2006 | 198 |
| 2007 | 210 |
| 2008 | 195 |
| 2009 | 188 |
| 2010 | 217 |
| 2011 | 208 |
| 2012 | 206 |
| 2013 | 189 |
| 2014 | 191 |
| 2015 | 176 |
| 2016 | 211 |
| 2017 | 213 |
| 2018 | 173 |
| 2019 | 212 |
| 2020 | 174 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1984 | 17.9 °C |
| 1985 | 18.6 °C |
| 1986 | 18.8 °C |
| 1987 | 19.0 °C |
| 1988 | 18.6 °C |
| 1989 | 17.4 °C |
| 1990 | 17.7 °C |
| 1991 | 19.9 °C |
| 1992 | 17.6 °C |
| 1993 | 18.7 °C |
| 1994 | 18.1 °C |
| 1995 | 18.7 °C |
| 1996 | 18.3 °C |
| 1997 | 17.1 °C |
| 1998 | 19.3 °C |
| 1999 | 19.5 °C |
| 2000 | 18.5 °C |
| 2001 | 18.9 °C |
| 2002 | 19.7 °C |
| 2003 | 18.5 °C |
| 2004 | 18.8 °C |
| 2005 | 19.8 °C |
| 2006 | 18.9 °C |
| 2007 | 19.2 °C |
| 2008 | 18.8 °C |
| 2009 | 18.4 °C |
| 2010 | 20.2 °C |
| 2011 | 19.4 °C |
| 2012 | 19.5 °C |
| 2013 | 18.6 °C |
| 2014 | 18.3 °C |
| 2015 | 19.2 °C |
| 2016 | 19.7 °C |
| 2017 | 18.9 °C |
| 2018 | 19.5 °C |
| 2019 | 19.5 °C |
| 2020 | 18.4 °C |
| 2021 | 18.5 °C |
| 2022 | 18.8 °C |
What this means for you: Since 1982, Brilliant's last spring frost has stayed at about the same time of year. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Pike Island(Lock & Dam) (NOAA GHCN-Daily). Years with too many missing days are left out.