When to Plant Lettuce in Arizona
In a typical Arizona location, sow outdoors Jan 16 – Jan 30. Across the state, the outdoor planting window starts as early as Dec 7 in Bullhead City and as late as May 7 in Flagstaff. For a fall crop, plant around Oct 10 – Oct 24. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.
Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Lettuce Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Phoenix | Dec 8 – Dec 22 | Nov 8 – Nov 22 |
| Tucson | Dec 23 – Jan 6 | Oct 22 – Nov 5 |
| Mesa | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Chandler | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Gilbert | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Glendale | Dec 23 – Jan 6 | Oct 20 – Nov 3 |
| Scottsdale | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Peoria | Dec 23 – Jan 6 | Oct 20 – Nov 3 |
| Tempe | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Tempe Junction | Jan 16 – Jan 30 | Oct 10 – Oct 24 |
| Surprise | Dec 23 – Jan 6 | Oct 20 – Nov 3 |
| Yuma | Dec 11 – Dec 25 | Nov 2 – Nov 16 |
| San Tan Valley | Jan 4 – Jan 18 | Oct 16 – Oct 30 |
| Avondale | Dec 10 – Dec 24 | Oct 29 – Nov 12 |
| Goodyear | Dec 10 – Dec 24 | Oct 29 – Nov 12 |
| Flagstaff | May 7 – May 21 | Aug 3 – Aug 17 |
| Casas Adobes | Jan 29 – Feb 12 | Oct 9 – Oct 23 |
| Lake Havasu City | Dec 8 – Dec 22 | Nov 3 – Nov 17 |
| Casa Grande | Jan 8 – Jan 22 | Oct 11 – Oct 25 |
| Buckeye | Dec 10 – Dec 24 | Oct 29 – Nov 12 |
| Catalina Foothills | Jan 23 – Feb 6 | Oct 2 – Oct 16 |
| Maricopa | Jan 26 – Feb 9 | Sep 29 – Oct 13 |
| Oro Valley | Mar 5 – Mar 19 | Sep 16 – Sep 30 |
| Sierra Vista | Mar 8 – Mar 22 | Sep 14 – Sep 28 |
| Prescott Valley | Mar 23 – Apr 6 | Sep 1 – Sep 15 |
| Prescott | Apr 2 – Apr 16 | Aug 25 – Sep 8 |
| Marana | Jan 26 – Feb 9 | Oct 11 – Oct 25 |
| Bullhead City | Dec 7 – Dec 21 | Oct 28 – Nov 11 |
| Apache Junction | Jan 14 – Jan 28 | Oct 15 – Oct 29 |
| Sun City | Dec 23 – Jan 6 | Oct 20 – Nov 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 lettuce in Arizona?
In a typical Arizona location, sow outdoors Jan 16 – Jan 30. Across the state, the outdoor planting window starts as early as Dec 7 in Bullhead City and as late as May 7 in Flagstaff. For a fall crop, plant around Oct 10 – Oct 24. 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 lettuce take to grow?
Lettuce typically take 45–60 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Other Crops in Arizona
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- 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 lettuce in other states