Frost dates for 73089Tuttle, OK
The average last spring frost in Tuttle is April 3 and the average first fall frost is November 4, giving a typical growing season of about 214 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 3
- Average first fall frost
- Nov 4
- Growing season
- 214 days
Safer after Apr 19 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
First frost typically in 9 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 29 · Apr 14 · Apr 30 | Oct 11 · Oct 26 · Nov 8 | 194 days | 100% |
| Frost / freeze (32°F) | Mar 15 · Apr 3 · Apr 19 | Oct 21 · Nov 4 · Nov 18 | 214 days | 100% |
| Hard freeze (28°F) | Mar 1 · Mar 22 · Apr 9 | Oct 29 · Nov 13 · Nov 29 | 237 days | 100% |
Planting calendar for Tuttle
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 | Mar 3 – May 9 |
| Tomatoes | Transplant outdoors | Apr 19 – Jul 15 |
| Peppers | Start seeds indoors | Mar 3 – Apr 3 |
| Peppers | Transplant outdoors | May 3 – Jun 3 |
| Eggplant | Start seeds indoors | Mar 20 – Apr 18 |
| Eggplant | Transplant outdoors | May 3 – Jun 3 |
| Cucumbers | Sow outdoors | May 3 – Jul 25 |
| Summer squash | Sow outdoors | Apr 19 – Jun 3 |
| Winter squash & pumpkins | Sow outdoors | May 3 – Jun 3 |
| Snap beans | Sow outdoors | Apr 19 – Aug 17 |
| Sweet corn | Sow outdoors | Apr 19 – Jul 15 |
| Watermelon & cantaloupe | Sow outdoors | May 3 – Jun 3 |
| Okra | Sow outdoors | Apr 26 – May 19 |
| Peas | Sow outdoors (spring) | Mar 3 – Apr 18 |
| Potatoes | Plant outdoors (spring) | Mar 3 – May 3 |
| Onions | Start seeds indoors (spring) | Jan 20 – Feb 16 |
| Onions | Transplant outdoors (spring) | Mar 20 – Apr 18 |
| Broccoli | Start seeds indoors (spring) | Feb 13 – Mar 19 |
| Broccoli | Transplant outdoors (spring) | Mar 20 – Apr 18 |
| Broccoli | Start seeds indoors (fall) | Jul 5 – Jul 15 |
| Broccoli | Transplant outdoors (fall) | Aug 4 – Aug 15 |
| Cabbage | Start seeds indoors (spring) | Feb 3 – Mar 3 |
| Cabbage | Transplant outdoors (spring) | Mar 3 – Apr 3 |
| Cabbage | Start seeds indoors (fall) | Jun 25 – Jul 25 |
| Cabbage | Transplant outdoors (fall) | Jul 25 – Aug 25 |
| Leaf lettuce | Sow outdoors (spring) | Mar 3 – May 19 |
| Leaf lettuce | Sow outdoors (fall) | Jul 25 – Sep 10 |
| Spinach | Sow outdoors (spring) | Feb 24 – Apr 9 |
| Spinach | Sow outdoors (fall) | Aug 11 – Sep 15 |
| Radishes | Sow outdoors (spring) | Mar 3 – Apr 23 |
| Radishes | Sow outdoors (fall) | Jul 25 – Sep 25 |
| Kale | Sow outdoors (spring) | Mar 20 – Apr 9 |
| Kale | Sow outdoors (fall) | Jul 18 – Aug 25 |
| Carrots | Sow outdoors (spring) | Apr 3 – May 19 |
| Carrots | Sow outdoors (fall) | Jun 25 – Aug 10 |
| Garlic | Plant outdoors (fall) | Oct 25 – Nov 25 |
Where these dates come from
ZIP code 73089 is matched to the NOAA station Blanchard 2 Ssw, OK, 17.9 km away, at 1,275 ft elevation (18 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Blanchard 2 Ssw, OK (used) | 1,275 ft | Apr 3 | Nov 4 |
| Oklahoma City Will Rogers Ap, OK | 1,285 ft | Apr 4 | Nov 2 |
| Minco 2Ssw Mesonet, OK | 1,410 ft | Apr 3 | Nov 5 |
| Norman 2Nw Mesonet, OK | 1,181 ft | Mar 31 | Nov 5 |
Frost dates near Tuttle
- Newcastle, OK 73065 · last Apr 3, first Nov 4
- Oklahoma City, OK 73173 · last Apr 4, first Nov 2
- Mustang, OK 73064 · last Apr 4, first Nov 2
- Amber, OK 73004 · last Apr 4, first Nov 1
- Wheatland, OK 73097 · last Apr 4, first Nov 2
- Blanchard, OK 73010 · last Apr 3, first Nov 4
- Minco, OK 73059 · last Apr 3, first Nov 5
- Union City, OK 73090 · last Apr 2, first Nov 4
Frequently asked questions
- When is the last frost in Tuttle, OK?
- For ZIP code 73089, the average last spring frost (32°F) is April 3, based on NOAA 1991-2020 climate normals for the Blanchard 2 Ssw, OK weather station. There is a 1-in-10 chance of a frost after April 19.
- When is the first frost in Tuttle, OK?
- The average first fall frost (32°F) is November 4. 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 73089?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 214 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.