When to plant in Del City, OK
USDA Zone 7bDel City, Oklahoma frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7b means many perennials and even some tender shrubs overwinter in Del City, while your frost dates still decide when annuals go out.
Frost probability
SPENCER 2ENE MESONET · 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 Del City’s own odds, recorded at SPENCER 2ENE MESONET.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 12 | Mar 26 | Oct 14 | Oct 28 | Nov 10 |
| 32°F | Apr 18 | Apr 2 | Mar 12 | Oct 20 | Nov 5 | Nov 20 |
| 28°F | Apr 6 | Mar 17 | Feb 28 | Oct 30 | Nov 13 | Dec 1 |
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 Del City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Del City planting FAQ
When is the last spring frost in Del City, OK?
On average, the last spring frost in Del City is around April 2 (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 Del City, OK?
Expect Del City's first fall frost near November 5 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Del City in?
Del City 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 Del City?
There are roughly 217 frost-free days in Del City (a long growing season), running from the average last frost around April 2 to the first fall frost near November 5.
When should I plant tomatoes in Del City?
In Del City, start tomato seeds indoors around February 5–February 19, then transplant seedlings outdoors around April 9 once the danger of frost has passed.
Never miss a window in Del City
An email when it’s time to start seeds, transplant, and sow — timed to Del City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Midwest City · 6 km
- Oklahoma City · 7 km
- Moore · 14 km
- Choctaw · 16 km
- Warr Acres · 18 km
- Bethany · 19 km
- Norman · 25 km
- Edmond · 25 km
Frost dates recorded at SPENCER 2ENE MESONET, 14 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 Del City, OK — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00348390. Retrieved from https://blissgarden.com/oklahoma/del-city.