When to Plant Corn in Arizona
In a typical Arizona location, sow outdoors Feb 13 – Feb 27. Across the state, the outdoor planting window starts as early as Jan 4 in Bullhead City and as late as Jun 4 in Flagstaff. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.
Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Corn Planting Dates by City
| City | Direct sow |
|---|---|
| Phoenix | Jan 5 – Jan 19 |
| Tucson | Jan 20 – Feb 3 |
| Mesa | Feb 13 – Feb 27 |
| Chandler | Feb 13 – Feb 27 |
| Gilbert | Feb 13 – Feb 27 |
| Glendale | Jan 20 – Feb 3 |
| Scottsdale | Feb 13 – Feb 27 |
| Peoria | Jan 20 – Feb 3 |
| Tempe | Feb 13 – Feb 27 |
| Tempe Junction | Feb 13 – Feb 27 |
| Surprise | Jan 20 – Feb 3 |
| Yuma | Jan 8 – Jan 22 |
| San Tan Valley | Feb 1 – Feb 15 |
| Avondale | Jan 7 – Jan 21 |
| Goodyear | Jan 7 – Jan 21 |
| Flagstaff | Jun 4 – Jun 18 |
| Casas Adobes | Feb 26 – Mar 12 |
| Lake Havasu City | Jan 5 – Jan 19 |
| Casa Grande | Feb 5 – Feb 19 |
| Buckeye | Jan 7 – Jan 21 |
| Catalina Foothills | Feb 20 – Mar 6 |
| Maricopa | Feb 23 – Mar 9 |
| Oro Valley | Apr 2 – Apr 16 |
| Sierra Vista | Apr 5 – Apr 19 |
| Prescott Valley | Apr 20 – May 4 |
| Prescott | Apr 30 – May 14 |
| Marana | Feb 23 – Mar 9 |
| Bullhead City | Jan 4 – Jan 18 |
| Apache Junction | Feb 11 – Feb 25 |
| Sun City | Jan 20 – Feb 3 |
Showing the 30 most populous of 72 Arizona cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Arizona cities.
Frequently Asked Questions
When should I plant corn in Arizona?
In a typical Arizona location, sow outdoors Feb 13 – Feb 27. Across the state, the outdoor planting window starts as early as Jan 4 in Bullhead City and as late as Jun 4 in Flagstaff. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.
When is the last frost in Arizona?
The average last spring frost in Arizona ranges from January 4 in Bullhead City to June 4 in Flagstaff, based on NOAA 1991–2020 climate normals.
How long do corn take to grow?
Corn typically take 60–100 days from planting to harvest. Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Other Crops in Arizona
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant corn in other states