Sedona, AZ planting zone & frost dates
Sedona is in USDA hardiness zone 8b. The last spring frost usually comes around April 1 and the first fall frost around November 17, for a growing season of about 229 days.
Planting calendar for Sedona
Dates are counted from the average last spring frost (April 1) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Apr 8 – Apr 15 |
| Peppers | Start seeds indoors: Jan 21 – Feb 4 Transplant outdoors: Apr 15 – Apr 22 |
| Eggplant | Start seeds indoors: Jan 21 – Feb 4 Transplant outdoors: Apr 15 – Apr 22 |
| Broccoli | Start seeds indoors: Jan 21 – Feb 4 Transplant outdoors: Mar 4 – Mar 18 |
| Cabbage | Start seeds indoors: Jan 21 – Feb 4 Transplant outdoors: Mar 4 – Mar 18 |
| Onions (sets) | Plant outdoors: Mar 4 – Mar 18 |
| Peas | Sow outdoors: Feb 18 – Mar 4 |
| Spinach | Sow outdoors: Feb 18 – Mar 4 |
| Lettuce | Sow outdoors: Mar 4 – Mar 18 |
| Carrots | Sow outdoors: Mar 4 – Mar 18 |
| Potatoes | Plant outdoors: Mar 4 – Mar 18 |
| Beans | Sow outdoors: Apr 8 – Apr 15 |
| Sweet corn | Sow outdoors: Apr 8 – Apr 15 |
| Cucumbers | Sow outdoors: Apr 8 – Apr 15 |
| Squash & zucchini | Sow outdoors: Apr 8 – Apr 15 |
| Basil | Start seeds indoors: Feb 18 – Mar 4 Transplant outdoors: Apr 8 – Apr 15 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 22 (8 weeks before the average first fall frost on Nov 17).
Useful for zone 8b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Mar 6 | Apr 1 | Apr 19 |
| First 32°F frost in fall is before | Dec 3 | Nov 17 | Oct 28 |
How to read it: in spring there is a 10% chance of a frost after April 19, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 28. A hard freeze (28°F) usually ends around March 6.
Hardiness zone by ZIP code in Sedona
- 86336 zone 8b
- 86339 zone 8b
- 86340 zone 8b
- 86341 zone 8b
- 86351 zone 8b
Nearby cities
- West Sedona zone 8b, last frost Apr 1
- Cottonwood zone 8b, last frost Mar 30
- Verde Village zone 8b, last frost Mar 30
- Camp Verde zone 8a, last frost Apr 16
- Flagstaff zone 6a, last frost Jun 4
- Prescott Valley zone 7b, last frost Apr 20
- Chino Valley zone 8a, last frost Apr 27
- Payson zone 8b, last frost Apr 29
Questions
What growing zone is Sedona, AZ?
Sedona is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.
When is the last frost in Sedona?
The average last spring frost (32°F) in Sedona is April 1. There is still a 10% chance of frost until April 19.
When can I plant tomatoes in Sedona?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 8 – Apr 15. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Sedona, AZ (USC00027708), 2.9 km (1.8 mi) from the city center, elevation 1286 m, based on 19 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.