Frost dates for Tok #2, AK
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
June 3
typical year
Safe to plant
July 13
frost is over in 9 of 10 years
First fall frost
August 27
typical year
Growing season
79 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 | Season usually too short. Try a quick variety or row covers. | ||
| Spinach | – | Apr 22 – May 13 | Jul 2 – 16 |
| Lettuce | – | May 6 – 27 | Jul 2 – 16 |
| Radishes | – | May 6 – Jun 17 | Jul 16 – 30 |
| Onions | – | May 6 – 20 | – |
| Potatoes | Season usually too short. Try a quick variety or row covers. | ||
| Carrots | – | May 13 – Jun 3 | Jun 4 – 18 |
| Beets | – | May 6 – 20 | Jun 18 – Jul 2 |
| Kale | Mar 25 – Apr 8 | May 6 – 20 | Jun 18 – Jul 2 |
| Broccoli | Mar 25 – Apr 8 | May 20 – Jun 3 | Jun 18 – Jul 2 |
| Cabbage | Mar 11 – 25 | May 6 – 20 | Jun 18 – Jul 2 |
| Garlic | – | – | Jul 16 – Aug 6 |
| Warm-season crops | |||
| Tomatoes | Season usually too short. Try a quick variety or row covers. | ||
| Peppers | Season usually too short. Try a quick variety or row covers. | ||
| Cucumbers | Season usually too short. Try a quick variety or row covers. | ||
| Zucchini | Season usually too short. Try a quick variety or row covers. | ||
| Pumpkins | Season usually too short. Try a quick variety or row covers. | ||
| Green beans | Season usually too short. Try a quick variety or row covers. | ||
| Sweet corn | Season usually too short. Try a quick variety or row covers. | ||
| Basil | Season usually too short. Try a quick variety or row covers. | ||
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 | July 13 | June 3 | May 22 |
| Fall frost before | August 11 | August 27 | September 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 May 22 (June 6 in a late year), and the first one in fall around September 6.
Where these dates come from
NOAA weather station TOK #2, AK US (USC00509314), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 15 miles:
99776
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.