Fall in zone 7aPhoto: Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons
Frost dates for ZIP 74002 (Barnsdall, OK)
Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Barnsdall, OK (1 miles away).
- Average last spring frostMar 3150% chance of a 32°F freeze after this date
- Average first fall frostOct 3150% chance of a 32°F freeze by this date
- Growing season (frost-free)212 daysmedian, 32°F threshold
- USDA hardiness zone7a0 to 5°F avg. coldest night
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This week in your yard
As of Oct 18, 2026, from your frost dates, zone and soil temperature. Lawn timing · Vegetables · Pruning · Plants
Soil temperature now
2-inch depth
60°F 55°F or warmer
24-hour average · latest 57°F, as of Oct 18, 1:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Stillwater 2 W (61 mi), Stillwater 5 WNW (61 mi).
4-inch depth
63°F 55°F or warmer
24-hour average · latest 62°F, as of Oct 18, 1:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Stillwater 2 W (61 mi), Stillwater 5 WNW (61 mi).
Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.
7-day forecast and frost risk
The latest National Weather Service 7-day forecast and any Frost Advisory or Freeze Warning for 74002 load here. You can also open the NWS forecast for this ZIP.
Pre-emergent
Soil is 63°F at 4 inches (estimated soil temperature, not a station reading). Fall pre-emergent (annual bluegrass, winter weeds): window open as soil cools through the 70s and 60s.
Fertilizer window
Lawn region: South Central plains. Timing only; always follow the product label.
- Bermudagrass (warm-season): Spring: Several weeks after the lawn is fully green (April–May) (about May 16 here, using green-up about 3–4 weeks after your average last frost); Summer: Every 4–6 weeks through mid-August (heaviest feeder of the group); Late: Light, low-nitrogen/high-potassium feeding about 4 weeks before first frost, or skip. Avoid: Heavy late-fall nitrogen (linked to spring dead spot).
- Tall fescue (cool-season): Early fall: September (main feeding); Late fall: November, while still green; Late winter: Optional light feeding February–March. Avoid: Feeding after mid-spring and through summer in the transition zone (stress and brown patch).
Plant now
No vegetable planting windows are open this week.
Prune now
No frost-timed pruning windows are open this week.
Your average first frost is Oct 31: skip heavy pruning in the 6–8 weeks before it, because new growth may not harden off in time.
Spring-flowering shrubs are pruned right after their flowers fade, not by date. See the pruning guide.
Last spring frost odds
| Chance of a 32°F freeze after this date | Date |
|---|---|
| 90% (early: most years still freeze after this) | Mar 12 |
| 50% (the "average" last frost) | Mar 31 |
| 10% (cautious: only 1 year in 10 freezes later) | Apr 14 |
Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.
First fall frost odds
| Chance the first 32°F freeze has happened by this date | Date |
|---|---|
| 10% (early: 1 year in 10 freezes this soon) | Oct 14 |
| 50% (the "average" first frost) | Oct 31 |
| 90% (late: most years have frozen by now) | Nov 13 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Apr 11 | Oct 21 |
| 32°F (freeze) | Mar 31 | Oct 31 |
| 28°F (hard freeze) | Mar 20 | Nov 8 |
n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).
Vegetable planting calendar for 74002
Dates count from your average last spring frost (Mar 31) and first fall frost (Oct 31). Half of years have a frost after the spring date, so give tender crops (tomatoes, peppers, squash) some slack.
| Crop | Start indoors | Spring planting | Fall planting |
|---|---|---|---|
| Tomato | Feb 3–17 | Apr 7–21 (transplant) | Jul 4–Aug 1 (transplant) |
| Pepper (sweet and hot) | Jan 20–Feb 3 | Apr 14–28 (transplant) | Jul 11–Aug 1 (transplant) |
| Eggplant | Jan 20–Feb 3 | Apr 14–28 (transplant) | Jul 11–Aug 1 (transplant) |
| Tomatillo | Feb 3–17 | Apr 7–21 (transplant) | – |
| Lettuce | Feb 3–17 | Mar 10–31 (transplant) Mar 3–Apr 14 (sow outdoors) | Sep 5–26 (transplant) Aug 22–Sep 19 (sowing) |
| Spinach | – | Feb 17–Mar 10 (sow outdoors) | Sep 5–26 (sowing) |
| Kale | Feb 3–17 | Mar 3–17 (transplant) Mar 3–17 (sow outdoors) | Aug 8–Sep 5 (transplant) Jul 25–Aug 22 (sowing) |
| Collards | Feb 3–17 | Mar 3–31 (transplant) Mar 3–31 (sow outdoors) | Aug 8–Sep 5 (transplant) Jul 25–Aug 22 (sowing) |
| Broccoli | Jan 20–Feb 3 | Mar 3–17 (transplant) | Jul 25–Aug 22 (transplant) |
| Cabbage | Jan 20–Feb 3 | Mar 3–17 (transplant) | Jul 25–Aug 22 (transplant) |
| Cauliflower | Jan 20–Feb 3 | Mar 17–31 (transplant) | Jul 25–Aug 22 (transplant) |
| Brussels sprouts | Jan 6–20 | Mar 3–17 (transplant) | Jul 11–Aug 1 (transplant) |
| Kohlrabi | Feb 3–17 | Mar 3–17 (transplant) Mar 3–17 (sow outdoors) | Aug 22–Sep 5 (sowing) |
| Bok choy / Asian greens | – | Mar 3–17 (sow outdoors) | Sep 5–19 (sowing) |
| Arugula | – | Mar 3–31 (sow outdoors) | Sep 5–Oct 3 (sowing) |
| Mustard greens | – | Mar 3–24 (sow outdoors) | Sep 5–19 (sowing) |
| Swiss chard | Feb 17–Mar 3 | Mar 17–Apr 7 (transplant) Mar 17–Apr 14 (sow outdoors) | Aug 22–Sep 5 (sowing) |
| Beet | – | Mar 3–31 (sow outdoors) | Aug 22–Sep 5 (sowing) |
| Carrot | – | Mar 10–Apr 7 (sow outdoors) | Aug 8–22 (sowing) |
| Radish | – | Feb 24–Apr 7 (sow outdoors) | Sep 19–Oct 3 (sowing) |
| Turnip | – | Mar 3–24 (sow outdoors) | Aug 22–Sep 5 (sowing) |
| Parsnip | – | Mar 10–31 (sow outdoors) | – |
| Pea (garden, snap, snow) | – | Feb 3–Mar 3 (sow outdoors) | Aug 8–22 (sowing) |
| Onion (bulbing) | Jan 6–20 | Feb 17–Mar 3 (transplant) | – |
| Green onion / scallion | – | Feb 17–Mar 17 (sow outdoors) | Aug 22–Sep 5 (sowing) |
| Leek | Jan 6–20 | Mar 3–17 (transplant) | – |
| Garlic | – | – | Sep 19–Oct 17 (sowing) |
| Shallot | – | Feb 17–Mar 3 (transplant) | Sep 19–Oct 17 (sowing) |
| Potato | – | Mar 3–17 (transplant) | Jul 11–25 (transplant) |
| Sweet potato | – | Apr 21–May 5 (transplant) | – |
| Sweet corn | – | Apr 7–21 (sow outdoors) | – |
| Bean, bush (snap) | – | Apr 7–21 (sow outdoors) | Aug 8–22 (sowing) |
| Bean, pole | – | Apr 7–21 (sow outdoors) | – |
| Lima bean | – | Apr 14–28 (sow outdoors) | – |
| Southern pea (cowpea, black-eyed pea) | – | Apr 21–May 12 (sow outdoors) | – |
| Cucumber | Mar 3–10 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | Aug 8–22 (sowing) |
| Summer squash / zucchini | Mar 3–10 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | Aug 8–22 (sowing) |
| Winter squash | Mar 3–10 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | – |
| Pumpkin | – | Apr 7–21 (sow outdoors) | – |
| Watermelon | Mar 3–10 | Apr 14–28 (transplant) Apr 14–28 (sow outdoors) | – |
| Cantaloupe / muskmelon | Mar 3–10 | Apr 14–28 (transplant) Apr 14–28 (sow outdoors) | – |
| Okra | Feb 17–Mar 3 | Apr 14–28 (transplant) Apr 14–28 (sow outdoors) | – |
| Celery | Jan 6–20 | Apr 7–14 (transplant) | – |
| Basil | Feb 17–Mar 3 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | – |
| Cilantro | – | Mar 17–Apr 14 (sow outdoors) | Sep 5–19 (sowing) |
| Parsley | Jan 20–Feb 3 | Mar 17–31 (transplant) Mar 10–31 (sow outdoors) | – |
| Dill | – | Mar 31–Apr 14 (sow outdoors) | Sep 5–19 (sowing) |
| Sunflower | – | Mar 31–Apr 14 (sow outdoors) | – |
| Asparagus (crowns) | – | Mar 3–17 (transplant) | – |
| Rhubarb (crowns) | – | Mar 3–17 (transplant) | – |
| Strawberry (plants) | – | Mar 3–17 (transplant) | Aug 22–Sep 19 (transplant) |
Typical ranges from university extension planting calendars, adjusted to your frost dates. Probabilities, not guarantees. Fall windows that would overlap spring planting are left out, as are fall crops of frost-tender plants where the frost-free season is under 210 days.
Plants that do well here
Oklahoma has a university or garden plant program: Oklahoma Proven. Plant frost-tender annuals after March 31 here (the average last frost). Not affiliated with the program.
Where these numbers come from
Station: Barnsdall, OK (NOAA GHCN-Daily ID USC00340535), elevation 770 ft, 1.2 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Pawhuska, OK | 13 mi | Apr 6 | Oct 29 |
| Bartlesville 3, OK | 16 mi | Apr 11 | Oct 24 |
| Bartlesville F P Fld, OK | 16 mi | Apr 12 | Oct 21 |
The average last-frost dates of these stations span 12 days, a rough guide to local variation. See data sources & methods.
Frost questions for 74002
When is the last frost in 74002?
The average (50% chance) last spring freeze of 32°F for ZIP 74002 is March 31. For a more cautious planting date, use April 14, when only 1 year in 10 still sees a later freeze.
When is the first frost in 74002?
The average first fall freeze is October 31. In 1 year in 10 it comes by October 14.
What hardiness zone is 74002?
ZIP 74002 is in USDA zone 7a (0 to 5°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
What is the soil temperature in 74002 right now?
This page shows the latest 2-inch and 4-inch soil temperature from the nearest public soil station (USDA SCAN, NOAA USCRN or TexMesonet), or a labeled estimate when no station is close, against the 50–55°F spring pre-emergent band.
Nearby ZIP codes
74001 Avant 74084 Wynona 74051 Ochelata 74070 Skiatook 74003 Bartlesville 74061 Ramona 74082 Vera 74035 Hominy
Other ZIP codes in Osage County
74001 74003 74035 74054 74056 74060 74070 74073 74084 74126 74127 74604 74633 74637 74650 74652 All Osage County frost dates · Oklahoma frost dates
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- Freeze alerts
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Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.