When to plant in Guthrie, OK
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Guthrie, Oklahoma — all computed from Guthrie's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in Guthrie, while your frost dates still decide when annuals go out.
Frost probability
GUTHRIE MUNI 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 Guthrie’s own odds, recorded at GUTHRIE MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 14 | Mar 30 | Oct 10 | Oct 25 | Nov 6 |
| 32°F | Apr 20 | Apr 3 | Mar 17 | Oct 19 | Nov 1 | Nov 16 |
| 28°F | Apr 8 | Mar 23 | Mar 3 | Oct 29 | Nov 11 | Nov 29 |
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 Guthrie, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 7 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.
Guthrie planting FAQ
When is the last spring frost in Guthrie, OK?
Guthrie's average last spring frost falls near April 3 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Guthrie, OK?
Expect Guthrie's first fall frost near November 1 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Guthrie in?
Guthrie 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 Guthrie?
There are roughly 212 frost-free days in Guthrie (a long growing season), running from the average last frost around April 3 to the first fall frost near November 1.
When should I plant tomatoes in Guthrie?
In Guthrie, start tomato seeds indoors around February 6–February 20, then transplant seedlings outdoors around April 10 once the danger of frost has passed.
Never miss a window in Guthrie
An email when it’s time to start seeds, transplant, and sow — timed to Guthrie’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Edmond · 23 km
- Stillwater · 41 km
- Warr Acres · 43 km
- Choctaw · 45 km
- Bethany · 46 km
- Oklahoma City · 47 km
- Midwest City · 47 km
- Del City · 48 km
Frost dates recorded at GUTHRIE MUNI AP, 3 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 Guthrie, OK — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053913. Retrieved from https://blissgarden.com/oklahoma/guthrie.