Frost dates for 73552Indiahoma, OK
The average last spring frost in Indiahoma is March 28 and the average first fall frost is November 6, giving a typical growing season of about 224 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 28
- Average first fall frost
- Nov 6
- Growing season
- 224 days
Safer after Apr 17 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
First frost typically in 11 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 23 · Apr 9 · Apr 26 | Oct 14 · Oct 29 · Nov 12 | 201 days | 100% |
| Frost / freeze (32°F) | Mar 7 · Mar 28 · Apr 17 | Oct 21 · Nov 6 · Nov 24 | 224 days | 100% |
| Hard freeze (28°F) | Feb 23 · Mar 11 · Apr 1 | Oct 30 · Nov 16 · Dec 4 | 247 days | 100% |
Planting calendar for Indiahoma
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 25 – May 3 |
| Tomatoes | Transplant outdoors | Apr 13 – Jul 17 |
| Peppers | Start seeds indoors | Feb 25 – Mar 28 |
| Peppers | Transplant outdoors | Apr 27 – May 28 |
| Eggplant | Start seeds indoors | Mar 14 – Apr 12 |
| Eggplant | Transplant outdoors | Apr 27 – May 28 |
| Cucumbers | Sow outdoors | Apr 27 – Jul 27 |
| Summer squash | Sow outdoors | Apr 13 – May 28 |
| Winter squash & pumpkins | Sow outdoors | Apr 27 – May 28 |
| Snap beans | Sow outdoors | Apr 13 – Aug 19 |
| Sweet corn | Sow outdoors | Apr 13 – Jul 17 |
| Watermelon & cantaloupe | Sow outdoors | Apr 27 – May 28 |
| Okra | Sow outdoors | Apr 20 – May 13 |
| Peas | Sow outdoors (spring) | Feb 25 – Apr 12 |
| Potatoes | Plant outdoors (spring) | Feb 25 – Apr 27 |
| Onions | Start seeds indoors (spring) | Jan 14 – Feb 10 |
| Onions | Transplant outdoors (spring) | Mar 14 – Apr 12 |
| Broccoli | Start seeds indoors (spring) | Feb 7 – Mar 13 |
| Broccoli | Transplant outdoors (spring) | Mar 14 – Apr 12 |
| Broccoli | Start seeds indoors (fall) | Jul 7 – Jul 17 |
| Broccoli | Transplant outdoors (fall) | Aug 6 – Aug 17 |
| Cabbage | Start seeds indoors (spring) | Jan 28 – Feb 25 |
| Cabbage | Transplant outdoors (spring) | Feb 25 – Mar 28 |
| Cabbage | Start seeds indoors (fall) | Jun 27 – Jul 27 |
| Cabbage | Transplant outdoors (fall) | Jul 27 – Aug 27 |
| Leaf lettuce | Sow outdoors (spring) | Feb 25 – May 13 |
| Leaf lettuce | Sow outdoors (fall) | Jul 27 – Sep 12 |
| Spinach | Sow outdoors (spring) | Feb 18 – Apr 3 |
| Spinach | Sow outdoors (fall) | Aug 13 – Sep 17 |
| Radishes | Sow outdoors (spring) | Feb 25 – Apr 17 |
| Radishes | Sow outdoors (fall) | Jul 27 – Sep 27 |
| Kale | Sow outdoors (spring) | Mar 14 – Apr 3 |
| Kale | Sow outdoors (fall) | Jul 20 – Aug 27 |
| Carrots | Sow outdoors (spring) | Mar 28 – May 13 |
| Carrots | Sow outdoors (fall) | Jun 27 – Aug 12 |
| Garlic | Plant outdoors (fall) | Oct 27 – Nov 27 |
Where these dates come from
ZIP code 73552 is matched to the NOAA station Wichita Mtn Wr, OK, 12.2 km away, at 1,665 ft elevation (323 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Wichita Mtn Wr, OK (used) | 1,665 ft | Mar 28 | Nov 6 |
| Medicine Pk 3W Mesonet, OK | 1,597 ft | Mar 21 | Nov 12 |
| Chattanooga, OK | 1,148 ft | Apr 7 | Nov 2 |
| Lawton, OK | 1,150 ft | Mar 26 | Nov 7 |
Frost dates near Indiahoma
- Cache, OK 73527 · last Apr 7, first Nov 2
- Snyder, OK 73566 · last Mar 26, first Nov 10
- Mountain Park, OK 73559 · last Mar 28, first Nov 6
- Meers, OK 73558 · last Mar 28, first Nov 6
- Chattanooga, OK 73528 · last Apr 7, first Nov 2
- Faxon, OK 73540 · last Apr 7, first Nov 2
- Medicine Park, OK 73557 · last Apr 1, first Nov 5
- Lawton, OK 73506 · last Apr 1, first Nov 5
Frequently asked questions
- When is the last frost in Indiahoma, OK?
- For ZIP code 73552, the average last spring frost (32°F) is March 28, based on NOAA 1991-2020 climate normals for the Wichita Mtn Wr, OK weather station. There is a 1-in-10 chance of a frost after April 17.
- When is the first frost in Indiahoma, OK?
- The average first fall frost (32°F) is November 6. There is a 1-in-10 chance of frost by October 21, so tender plants are at risk from that point on.
- How long is the growing season in 73552?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 224 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.