When to plant in Blaine, TN
Planting dates worked out from Blaine's own frost records, not a generic zone chart.
Safe to plant out
Apr 21
1 year in 10 has a later frost
Average last frost
Apr 11
about a 50% chance of a later one
Average first fall frost
Oct 27
1 year in 10 by Oct 17
Frost-free days
202
median, 1991–2020
Station used: Sevierville · 26.7 km away · station 274 m, town 293 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 | Feb 24 – Mar 10 | Apr 21 – May 5 | Jun 15 |
| Sweet pepper | Feb 10 – Feb 24 | Apr 21 – May 5 | Jun 20 |
| Lettuce (leaf) | Feb 7 – Feb 14 | Mar 14 – Mar 28 | Apr 23 |
| Peas | — | Feb 28 – Mar 28 | Apr 24 |
| Bush beans | — | Apr 14 – May 5 | Jun 3 |
| Carrot | — | Mar 21 – May 2 | May 20 |
| Beet | — | Mar 14 – Apr 25 | May 3 |
| Potato | — | Mar 21 – Apr 11 | May 30 |
| Kale | Jan 31 – Feb 14 | Mar 14 – Mar 28 | Apr 26 |
| Broccoli | Jan 31 – Feb 14 | Mar 14 – Apr 4 | May 13 |
| Cucumber | Mar 24 – Mar 31 | Apr 21 – May 5 | Jun 10 |
| Summer squash and zucchini | Mar 24 – Mar 31 | Apr 21 – May 5 | Jun 5 |
| Winter squash | Mar 24 – Mar 31 | Apr 21 – May 5 | Jul 10 |
| Sweet corn | — | Apr 14 – May 5 | Jun 13 |
| Onion (from sets) | — | Mar 14 – Apr 4 | Jun 12 |
| Garlic | — | Oct 13 – Nov 10 (fall) | following summer |
| Spinach | — | Feb 28 – Mar 28 | Apr 7 |
| Basil | Mar 10 – Mar 24 | Apr 21 – May 5 | Jun 17 |
Blaine'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 |
|---|---|
| 1956 | Apr 21 |
| 1957 | Apr 15 |
| 1958 | Apr 13 |
| 1959 | Apr 15 |
| 1960 | Apr 19 |
| 1961 | May 28 |
| 1962 | Apr 22 |
| 1963 | May 2 |
| 1964 | Apr 10 |
| 1965 | Apr 17 |
| 1966 | Jun 1 |
| 1967 | Apr 29 |
| 1968 | Apr 16 |
| 1969 | May 1 |
| 1970 | Apr 11 |
| 1971 | May 4 |
| 1972 | Apr 28 |
| 1974 | Apr 25 |
| 1975 | Apr 22 |
| 1976 | May 19 |
| 1977 | May 11 |
| 1978 | Apr 28 |
| 1979 | Apr 30 |
| 1980 | May 10 |
| 1982 | Apr 11 |
| 1983 | Apr 26 |
| 1984 | Apr 19 |
| 1985 | Apr 10 |
| 1986 | May 4 |
| 1987 | Apr 11 |
| 1989 | May 8 |
| 1990 | Apr 13 |
| 1991 | Mar 31 |
| 1994 | Apr 9 |
| 1995 | Apr 25 |
| 1996 | Apr 11 |
| 1997 | May 11 |
| 1998 | Apr 13 |
| 1999 | Mar 27 |
| 2007 | Apr 11 |
| 2008 | Apr 16 |
| 2009 | Apr 8 |
| 2010 | Mar 28 |
| 2011 | Apr 7 |
| 2014 | Apr 16 |
| 2015 | Apr 6 |
| 2016 | Apr 11 |
| 2017 | Apr 9 |
| 2018 | Apr 20 |
| 2019 | Apr 6 |
| 2020 | Apr 11 |
| 2021 | Apr 23 |
| 2022 | Apr 11 |
| 2023 | Mar 26 |
| 2024 | Apr 4 |
| 2025 | Apr 9 |
| 2026 | Mar 30 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1956 | 203 |
| 1957 | 187 |
| 1958 | 181 |
| 1959 | 186 |
| 1960 | 184 |
| 1961 | 139 |
| 1962 | 184 |
| 1963 | 144 |
| 1964 | 178 |
| 1965 | 189 |
| 1966 | 127 |
| 1967 | 153 |
| 1968 | 171 |
| 1969 | 168 |
| 1970 | 176 |
| 1971 | 159 |
| 1972 | 173 |
| 1974 | 158 |
| 1975 | 163 |
| 1976 | 145 |
| 1977 | 156 |
| 1978 | 162 |
| 1979 | 165 |
| 1980 | 155 |
| 1982 | 193 |
| 1983 | 171 |
| 1984 | 166 |
| 1985 | 211 |
| 1986 | 192 |
| 1987 | 175 |
| 1989 | 178 |
| 1990 | 195 |
| 1991 | 187 |
| 1994 | 202 |
| 1995 | 174 |
| 1996 | 190 |
| 1997 | 164 |
| 1998 | 192 |
| 1999 | 211 |
| 2007 | 206 |
| 2008 | 195 |
| 2009 | 193 |
| 2010 | 223 |
| 2011 | 205 |
| 2014 | 199 |
| 2015 | 195 |
| 2016 | 213 |
| 2017 | 203 |
| 2018 | 203 |
| 2019 | 209 |
| 2020 | 204 |
| 2021 | 197 |
| 2022 | 189 |
| 2023 | 219 |
| 2024 | 233 |
| 2025 | 215 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1956 | 20.6 °C |
| 1957 | 21.6 °C |
| 1958 | 20.9 °C |
| 1959 | 21.2 °C |
| 1960 | 20.8 °C |
| 1961 | 19.1 °C |
| 1962 | 19.9 °C |
| 1963 | 19.8 °C |
| 1964 | 19.9 °C |
| 1965 | 19.9 °C |
| 1966 | 19.4 °C |
| 1967 | 19.2 °C |
| 1968 | 20.2 °C |
| 1969 | 20.3 °C |
| 1970 | 20.8 °C |
| 1971 | 19.5 °C |
| 1972 | 19.2 °C |
| 1974 | 19.4 °C |
| 1975 | 19.9 °C |
| 1976 | 18.3 °C |
| 1977 | 20.2 °C |
| 1978 | 20.0 °C |
| 1979 | 18.9 °C |
| 1980 | 20.8 °C |
| 1982 | 20.6 °C |
| 1983 | 20.5 °C |
| 1984 | 20.5 °C |
| 1986 | 21.5 °C |
| 1987 | 21.6 °C |
| 1990 | 20.8 °C |
| 1991 | 22.0 °C |
| 1994 | 20.5 °C |
| 1999 | 21.9 °C |
| 2005 | 22.4 °C |
| 2007 | 22.5 °C |
| 2008 | 21.5 °C |
| 2009 | 21.6 °C |
| 2010 | 23.2 °C |
| 2011 | 22.5 °C |
| 2013 | 21.4 °C |
| 2014 | 21.8 °C |
| 2015 | 22.4 °C |
| 2016 | 22.9 °C |
| 2017 | 22.1 °C |
| 2018 | 22.8 °C |
| 2019 | 23.3 °C |
| 2020 | 21.6 °C |
| 2021 | 21.6 °C |
| 2022 | 22.4 °C |
| 2023 | 21.7 °C |
| 2024 | 22.7 °C |
| 2025 | 23.0 °C |
What this means for you: Since 1956, Blaine's last spring frost has come about 3 days earlier per decade, on average. The frost-free season has grown by about 7 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Sevierville (NOAA GHCN-Daily). Years with too many missing days are left out.