Frost dates for Mc Neal, 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 6
typical year
Safe to plant
April 24
frost is over in 9 of 10 years
First fall frost
November 10
typical year
Growing season
215 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 9 – 23 | – |
| Spinach | – | Feb 23 – Mar 16 | Sep 15 – 29 |
| Lettuce | – | Mar 9 – 30 | Sep 15 – 29 |
| Radishes | – | Mar 9 – Apr 20 | Sep 29 – Oct 13 |
| Onions | – | Mar 9 – 23 | – |
| Potatoes | – | Mar 16 – 30 | – |
| Carrots | – | Mar 16 – Apr 6 | Aug 18 – Sep 1 |
| Beets | – | Mar 9 – 23 | Sep 1 – 15 |
| Kale | Jan 26 – Feb 9 | Mar 9 – 23 | Sep 1 – 15 |
| Broccoli | Jan 26 – Feb 9 | Mar 23 – Apr 6 | Sep 1 – 15 |
| Cabbage | Jan 12 – 26 | Mar 9 – 23 | Sep 1 – 15 |
| Garlic | – | – | Sep 29 – Oct 20 |
| Warm-season crops | |||
| Tomatoes | Feb 27 – Mar 13 | Apr 24 – May 8 | – |
| Peppers | Feb 20 – Mar 6 | May 1 – 15 | – |
| Cucumbers | – | Apr 24 – May 15 | – |
| Zucchini | – | Apr 24 – May 22 | – |
| Pumpkins | – | Apr 24 – May 15 | – |
| Green beans | – | Apr 24 – Sep 1 | – |
| Sweet corn | – | Apr 24 – May 22 | – |
| Basil | Mar 20 – Apr 3 | May 1 – 8 | – |
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 24 | April 6 | March 12 |
| Fall frost before | October 25 | November 10 | November 26 |
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 10 (April 11 in a late year), and the first one in fall around November 23.
Where these dates come from
NOAA weather station MC NEAL, AZ US (USC00025418), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 10 miles:
85610, 85617
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.