Yukon, OK planting zone & frost dates
Yukon is in USDA hardiness zone 7b. The last spring frost usually comes around April 2 and the first fall frost around November 4, for a growing season of about 216 days.
Planting calendar for Yukon
Dates are counted from the average last spring frost (April 2) 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 5 – Feb 19 Transplant outdoors: Apr 9 – Apr 16 |
| Peppers | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23 |
| Eggplant | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23 |
| Broccoli | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19 |
| Cabbage | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19 |
| Onions (sets) | Plant outdoors: Mar 5 – Mar 19 |
| Peas | Sow outdoors: Feb 19 – Mar 5 |
| Spinach | Sow outdoors: Feb 19 – Mar 5 |
| Lettuce | Sow outdoors: Mar 5 – Mar 19 |
| Carrots | Sow outdoors: Mar 5 – Mar 19 |
| Potatoes | Plant outdoors: Mar 5 – Mar 19 |
| Beans | Sow outdoors: Apr 9 – Apr 16 |
| Sweet corn | Sow outdoors: Apr 9 – Apr 16 |
| Cucumbers | Sow outdoors: Apr 9 – Apr 16 |
| Squash & zucchini | Sow outdoors: Apr 9 – Apr 16 |
| Basil | Start seeds indoors: Feb 19 – Mar 5 Transplant outdoors: Apr 9 – Apr 16 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 9 (8 weeks before the average first fall frost on Nov 4).
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 14 | Apr 2 | Apr 18 |
| First 32°F frost in fall is before | Nov 18 | Nov 4 | Oct 21 |
How to read it: in spring there is a 10% chance of a frost after April 18, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 21. A hard freeze (28°F) usually ends around March 19.
Hardiness zone by ZIP code in Yukon
- 73085 zone 7b
- 73099 zone 7b
Nearby cities
- Mustang zone 7b, last frost Apr 4
- Bethany zone 7b, last frost Apr 2
- Warr Acres zone 7b, last frost Apr 2
- El Reno zone 7b, last frost Apr 6
- Oklahoma City zone 7b, last frost Apr 4
- Edmond zone 7b, last frost Apr 2
- Moore zone 7b, last frost Apr 4
- Del City zone 7b, last frost Apr 2
Questions
What growing zone is Yukon, OK?
Yukon 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 Yukon?
The average last spring frost (32°F) in Yukon is April 2. There is still a 10% chance of frost until April 18.
When can I plant tomatoes in Yukon?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 9 – Apr 16. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Oklahoma City Post Ap, OK (USW00003954), 10.9 km (6.8 mi) from the city center, elevation 395 m, based on 24 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.