Frost dates for Dayton, TN
When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.
Last spring frost
April 4
typical year
Safe to plant
April 22
frost is over in 9 of 10 years
First fall frost
October 31
typical year
Growing season
208 days
frost-free, typical year
Frost watch this week
Tonight's and the next six nights' lows from the National Weather Service forecast for the station's location. Frost: 32°F or colder. Possible frost: 33–36°F, mostly in low spots on clear, still nights.
When to plant
Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.
| Crop | Start indoors | Plant outside | Fall planting |
|---|---|---|---|
| Cool-season crops | |||
| Peas | – | Mar 7 – 21 | – |
| Spinach | – | Feb 21 – Mar 14 | Sep 5 – 19 |
| Lettuce | – | Mar 7 – 28 | Sep 5 – 19 |
| Radishes | – | Mar 7 – Apr 18 | Sep 19 – Oct 3 |
| Onions | – | Mar 7 – 21 | – |
| Potatoes | – | Mar 14 – 28 | – |
| Carrots | – | Mar 14 – Apr 4 | Aug 8 – 22 |
| Beets | – | Mar 7 – 21 | Aug 22 – Sep 5 |
| Kale | Jan 24 – Feb 7 | Mar 7 – 21 | Aug 22 – Sep 5 |
| Broccoli | Jan 24 – Feb 7 | Mar 21 – Apr 4 | Aug 22 – Sep 5 |
| Cabbage | Jan 10 – 24 | Mar 7 – 21 | Aug 22 – Sep 5 |
| Garlic | – | – | Sep 19 – Oct 10 |
| Warm-season crops | |||
| Tomatoes | Feb 25 – Mar 11 | Apr 22 – May 6 | – |
| Peppers | Feb 18 – Mar 4 | Apr 29 – May 13 | – |
| Cucumbers | – | Apr 22 – May 13 | – |
| Zucchini | – | Apr 22 – May 20 | – |
| Pumpkins | – | Apr 22 – May 13 | – |
| Green beans | – | Apr 22 – Aug 22 | – |
| Sweet corn | – | Apr 22 – May 20 | – |
| Basil | Mar 18 – Apr 1 | Apr 29 – May 6 | – |
Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.
The year at a glance
Start indoors Plant outside Fall planting
The chance of frost, by date
| 1 year in 10 | Half of years | 9 years in 10 | |
|---|---|---|---|
| Spring frost after | April 22 | April 4 | March 18 |
| Fall frost before | October 19 | October 31 | November 12 |
Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.
Hard freeze (28°F)
A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around March 26 (April 9 in a late year), and the first one in fall around November 10.
Towns that use these dates
This is the nearest NOAA station with frost records for 2 towns.
Dayton, Graysville
Where these dates come from
NOAA weather station DAYTON 2SE, TN US (USC00402360), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 10 miles:
37308, 37321, 37322, 37373
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.