Bixby, OK planting zone & frost dates
Bixby is in USDA hardiness zone 7b. The last spring frost usually comes around April 1 and the first fall frost around November 1, for a growing season of about 212 days.
Planting calendar for Bixby
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 6 (8 weeks before the average first fall frost on Nov 1).
Useful for zone 7b 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 12 | Apr 1 | Apr 20 |
| First 32°F frost in fall is before | Nov 13 | Nov 1 | Oct 16 |
How to read it: in spring there is a 10% chance of a frost after April 20, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 16. A hard freeze (28°F) usually ends around March 17.
Hardiness zone by ZIP code in Bixby
- 74008 zone 7b
Nearby cities
- Jenks zone 7b, last frost Mar 30
- Glenpool zone 7b, last frost Mar 30
- Broken Arrow zone 7b, last frost Apr 1
- Sapulpa zone 7b, last frost Mar 30
- Tulsa zone 7b, last frost Mar 31
- Sand Springs zone 7b, last frost Mar 30
- Okmulgee zone 7b, last frost Apr 8
- Owasso zone 7b, last frost Mar 31
Questions
What growing zone is Bixby, OK?
Bixby is in USDA Plant Hardiness Zone 7b (average extreme winter low 5°F to 10°F), according to the USDA 2023 map.
When is the last frost in Bixby?
The average last spring frost (32°F) in Bixby is April 1. There is still a 10% chance of frost until April 20.
When can I plant tomatoes in Bixby?
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 Bixby, OK (USC00340782), 4.6 km (2.9 mi) from the city center, elevation 184 m, based on 15 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.