When to Plant Swiss Chard in Arizona
In a typical Arizona location, sow outdoors Jan 23 – Feb 6. Across the state, the outdoor planting window starts as early as Dec 14 in Bullhead City and as late as May 14 in Flagstaff. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.
Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Swiss Chard Planting Dates by City
| City | Direct sow |
|---|---|
| Phoenix | Dec 15 – Dec 29 |
| Tucson | Dec 30 – Jan 13 |
| Mesa | Jan 23 – Feb 6 |
| Chandler | Jan 23 – Feb 6 |
| Gilbert | Jan 23 – Feb 6 |
| Glendale | Dec 30 – Jan 13 |
| Scottsdale | Jan 23 – Feb 6 |
| Peoria | Dec 30 – Jan 13 |
| Tempe | Jan 23 – Feb 6 |
| Tempe Junction | Jan 23 – Feb 6 |
| Surprise | Dec 30 – Jan 13 |
| Yuma | Dec 18 – Jan 1 |
| San Tan Valley | Jan 11 – Jan 25 |
| Avondale | Dec 17 – Dec 31 |
| Goodyear | Dec 17 – Dec 31 |
| Flagstaff | May 14 – May 28 |
| Casas Adobes | Feb 5 – Feb 19 |
| Lake Havasu City | Dec 15 – Dec 29 |
| Casa Grande | Jan 15 – Jan 29 |
| Buckeye | Dec 17 – Dec 31 |
| Catalina Foothills | Jan 30 – Feb 13 |
| Maricopa | Feb 2 – Feb 16 |
| Oro Valley | Mar 12 – Mar 26 |
| Sierra Vista | Mar 15 – Mar 29 |
| Prescott Valley | Mar 30 – Apr 13 |
| Prescott | Apr 9 – Apr 23 |
| Marana | Feb 2 – Feb 16 |
| Bullhead City | Dec 14 – Dec 28 |
| Apache Junction | Jan 21 – Feb 4 |
| Sun City | Dec 30 – Jan 13 |
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 Swiss chard in Arizona?
In a typical Arizona location, sow outdoors Jan 23 – Feb 6. Across the state, the outdoor planting window starts as early as Dec 14 in Bullhead City and as late as May 14 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 Swiss chard take to grow?
Swiss Chard typically take 50–60 days from planting to harvest. Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Other Crops in Arizona
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- 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 Swiss chard in other states