When to plant in Jenks, OK
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Jenks, Oklahoma — all computed from Jenks's nearest NOAA weather station.
In zone 7b, Jenks supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Jenks is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
TULSA R L JONES JR AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Jenks’s own odds, recorded at TULSA R L JONES JR AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 26 | Apr 9 | Mar 26 | Oct 12 | Oct 26 | Nov 8 |
| 32°F | Apr 17 | Mar 30 | Mar 10 | Oct 21 | Nov 4 | Nov 20 |
| 28°F | Apr 3 | Mar 15 | Feb 27 | Oct 31 | Nov 14 | Dec 2 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Jenks, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Jenks planting FAQ
When is the last spring frost in Jenks, OK?
On average, the last spring frost in Jenks is around March 30 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Jenks, OK?
Expect Jenks's first fall frost near November 4 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Jenks in?
Jenks is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Jenks?
Jenks has about 219 frost-free days — a long growing season — between the average last spring frost (March 30) and first fall frost (November 4).
When should I plant tomatoes in Jenks?
For Jenks, sow tomatoes indoors about February 2–February 16 and move the seedlings out around April 6, after the last spring frost.
Never miss a window in Jenks
An email when it’s time to start seeds, transplant, and sow — timed to Jenks’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Glenpool · 6 km
- Bixby · 10 km
- Sapulpa · 13 km
- Tulsa · 16 km
- Broken Arrow · 18 km
- Sand Springs · 21 km
- Coweta · 28 km
- Owasso · 34 km
Frost dates recorded at TULSA R L JONES JR AP, 5 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Jenks, OK — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053908. Retrieved from https://blissgarden.com/oklahoma/jenks.