Frost dates for Tuba City, AZ
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 16
typical year
Safe to plant
May 4
frost is over in 9 of 10 years
First fall frost
October 28
typical year
Growing season
193 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 19 – Apr 2 | – |
| Spinach | – | Mar 5 – 26 | Sep 2 – 16 |
| Lettuce | – | Mar 19 – Apr 9 | Sep 2 – 16 |
| Radishes | – | Mar 19 – Apr 30 | Sep 16 – 30 |
| Onions | – | Mar 19 – Apr 2 | – |
| Potatoes | – | Mar 26 – Apr 9 | – |
| Carrots | – | Mar 26 – Apr 16 | Aug 5 – 19 |
| Beets | – | Mar 19 – Apr 2 | Aug 19 – Sep 2 |
| Kale | Feb 5 – 19 | Mar 19 – Apr 2 | Aug 19 – Sep 2 |
| Broccoli | Feb 5 – 19 | Apr 2 – 16 | Aug 19 – Sep 2 |
| Cabbage | Jan 22 – Feb 5 | Mar 19 – Apr 2 | Aug 19 – Sep 2 |
| Garlic | – | – | Sep 16 – Oct 7 |
| Warm-season crops | |||
| Tomatoes | Mar 9 – 23 | May 4 – 18 | – |
| Peppers | Mar 2 – 16 | May 11 – 25 | – |
| Cucumbers | – | May 4 – 25 | – |
| Zucchini | – | May 4 – Jun 1 | – |
| Pumpkins | – | May 4 – 25 | – |
| Green beans | – | May 4 – Aug 19 | – |
| Sweet corn | – | May 4 – Jun 1 | – |
| Basil | Mar 30 – Apr 13 | May 11 – 18 | – |
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 | May 4 | April 16 | March 31 |
| Fall frost before | October 13 | October 28 | 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 30 (April 21 in a late year), and the first one in fall around November 7.
Where these dates come from
NOAA weather station TUBA CITY, AZ US (USC00028792), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 31 miles:
86020, 86030, 86045
1 of these zip codes are more than 30 miles from the station, so their real frost dates may differ by a week or more.
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.