Gold Camp, AZ planting zone & frost dates
Gold Camp is in USDA hardiness zone 9b. The last spring frost usually comes around January 18 and the first fall frost around December 28, for a growing season of about 342 days.
Planting calendar for Gold Camp
Dates are counted from the average last spring frost (January 18) 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: Nov 23 – Dec 7 Transplant outdoors: Jan 25 – Feb 1 |
| Peppers | Start seeds indoors: Nov 9 – Nov 23 Transplant outdoors: Feb 1 – Feb 8 |
| Eggplant | Start seeds indoors: Nov 9 – Nov 23 Transplant outdoors: Feb 1 – Feb 8 |
| Broccoli | Start seeds indoors: Nov 9 – Nov 23 Transplant outdoors: Dec 21 – Jan 4 |
| Cabbage | Start seeds indoors: Nov 9 – Nov 23 Transplant outdoors: Dec 21 – Jan 4 |
| Onions (sets) | Plant outdoors: Dec 21 – Jan 4 |
| Peas | Sow outdoors: Dec 7 – Dec 21 |
| Spinach | Sow outdoors: Dec 7 – Dec 21 |
| Lettuce | Sow outdoors: Dec 21 – Jan 4 |
| Carrots | Sow outdoors: Dec 21 – Jan 4 |
| Potatoes | Plant outdoors: Dec 21 – Jan 4 |
| Beans | Sow outdoors: Jan 25 – Feb 1 |
| Sweet corn | Sow outdoors: Jan 25 – Feb 1 |
| Cucumbers | Sow outdoors: Jan 25 – Feb 1 |
| Squash & zucchini | Sow outdoors: Jan 25 – Feb 1 |
| Basil | Start seeds indoors: Dec 7 – Dec 21 Transplant outdoors: Jan 25 – Feb 1 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Nov 2 (8 weeks before the average first fall frost on Dec 28).
Useful for zone 9b 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
- Shade cloth — for hot summers
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 19 | Jan 18 | Mar 1 |
| First 32°F frost in fall is before | Feb 1 | Dec 28 | Dec 1 |
How to read it: in spring there is a 10% chance of a frost after March 1, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 1. A hard freeze (28°F) usually ends around January 9.
Nearby cities
- Gold Canyon zone 9b, last frost Feb 11
- San Tan Valley zone 9b, last frost Feb 1
- Apache Junction zone 9b, last frost Feb 11
- Florence zone 9a, last frost Jan 30
- Queen Creek zone 9b, last frost Feb 1
- Coolidge zone 9a, last frost Feb 17
- Gilbert zone 9b, last frost Feb 13
- Fountain Hills zone 9b, last frost Jan 6
Questions
What growing zone is Gold Camp, AZ?
Gold Camp is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map.
When is the last frost in Gold Camp?
The average last spring frost (32°F) in Gold Camp is January 18. There is still a 10% chance of frost until March 1.
When can I plant tomatoes in Gold Camp?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 25 – Feb 1. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Superior, AZ (USC00028348), 19.3 km (12.0 mi) from the city center, elevation 872 m, based on 12 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.