Frost dates for 74878Wanette, OK
The average last spring frost in Wanette is March 25 and the average first fall frost is November 8, giving a typical growing season of about 228 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 25
- Average first fall frost
- Nov 8
- Growing season
- 228 days
Safer after Apr 13 (1-in-10 risk)
Possible by Oct 23 (1-in-10 risk)
First frost typically in 14 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 20 · Apr 7 · Apr 25 | Oct 17 · Oct 31 · Nov 14 | 205 days | 100% |
| Frost / freeze (32°F) | Mar 3 · Mar 25 · Apr 13 | Oct 23 · Nov 8 · Nov 24 | 228 days | 100% |
| Hard freeze (28°F) | Feb 20 · Mar 10 · Mar 31 | Nov 1 · Nov 18 · Dec 5 | 253 days | 100% |
Planting calendar for Wanette
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 22 – Apr 30 |
| Tomatoes | Transplant outdoors | Apr 10 – Jul 19 |
| Peppers | Start seeds indoors | Feb 22 – Mar 25 |
| Peppers | Transplant outdoors | Apr 24 – May 25 |
| Eggplant | Start seeds indoors | Mar 11 – Apr 9 |
| Eggplant | Transplant outdoors | Apr 24 – May 25 |
| Cucumbers | Sow outdoors | Apr 24 – Jul 29 |
| Summer squash | Sow outdoors | Apr 10 – May 25 |
| Winter squash & pumpkins | Sow outdoors | Apr 24 – May 25 |
| Snap beans | Sow outdoors | Apr 10 – Aug 21 |
| Sweet corn | Sow outdoors | Apr 10 – Jul 19 |
| Watermelon & cantaloupe | Sow outdoors | Apr 24 – May 25 |
| Okra | Sow outdoors | Apr 17 – May 10 |
| Peas | Sow outdoors (spring) | Feb 22 – Apr 9 |
| Potatoes | Plant outdoors (spring) | Feb 22 – Apr 24 |
| Onions | Start seeds indoors (spring) | Jan 11 – Feb 7 |
| Onions | Transplant outdoors (spring) | Mar 11 – Apr 9 |
| Broccoli | Start seeds indoors (spring) | Feb 4 – Mar 10 |
| Broccoli | Transplant outdoors (spring) | Mar 11 – Apr 9 |
| Broccoli | Start seeds indoors (fall) | Jul 9 – Jul 19 |
| Broccoli | Transplant outdoors (fall) | Aug 8 – Aug 19 |
| Cabbage | Start seeds indoors (spring) | Jan 25 – Feb 22 |
| Cabbage | Transplant outdoors (spring) | Feb 22 – Mar 25 |
| Cabbage | Start seeds indoors (fall) | Jun 29 – Jul 29 |
| Cabbage | Transplant outdoors (fall) | Jul 29 – Aug 29 |
| Leaf lettuce | Sow outdoors (spring) | Feb 22 – May 10 |
| Leaf lettuce | Sow outdoors (fall) | Jul 29 – Sep 14 |
| Spinach | Sow outdoors (spring) | Feb 15 – Mar 31 |
| Spinach | Sow outdoors (fall) | Aug 15 – Sep 19 |
| Radishes | Sow outdoors (spring) | Feb 22 – Apr 14 |
| Radishes | Sow outdoors (fall) | Jul 29 – Sep 29 |
| Kale | Sow outdoors (spring) | Mar 11 – Mar 31 |
| Kale | Sow outdoors (fall) | Jul 22 – Aug 29 |
| Carrots | Sow outdoors (spring) | Mar 25 – May 10 |
| Carrots | Sow outdoors (fall) | Jun 29 – Aug 14 |
| Garlic | Plant outdoors (fall) | Oct 29 – Nov 29 |
Where these dates come from
ZIP code 74878 is matched to the NOAA station Byars 3Ese Mesonet, OK, 16.9 km away, at 1,131 ft elevation (104 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Byars 3Ese Mesonet, OK (used) | 1,131 ft | Mar 25 | Nov 8 |
| Purcell 2 Sw, OK | 1,120 ft | Apr 4 | Nov 2 |
| Pauls Vly 1Ssw Mesonet, OK | 954 ft | Mar 28 | Nov 7 |
| Seminole 4Ssw Mesonet, OK | 958 ft | Apr 1 | Nov 1 |
Frost dates near Wanette
- Byars, OK 74831 · last Mar 25, first Nov 8
- Macomb, OK 74852 · last Apr 5, first Nov 1
- Asher, OK 74826 · last Apr 2, first Nov 4
- Saint Louis, OK 74866 · last Apr 5, first Nov 1
- Lexington, OK 73051 · last Apr 3, first Nov 3
- Stratford, OK 74872 · last Mar 25, first Nov 8
- Paoli, OK 73074 · last Apr 5, first Nov 1
- Wayne, OK 73095 · last Apr 4, first Nov 2
Frequently asked questions
- When is the last frost in Wanette, OK?
- For ZIP code 74878, the average last spring frost (32°F) is March 25, based on NOAA 1991-2020 climate normals for the Byars 3Ese Mesonet, OK weather station. There is a 1-in-10 chance of a frost after April 13.
- When is the first frost in Wanette, OK?
- The average first fall frost (32°F) is November 8. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
- How long is the growing season in 74878?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 228 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.