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When to plant in Edmond, OK

USDA Zone 7b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Edmond, Oklahoma — all computed from Edmond's nearest NOAA weather station.

Heads up: the nearest complete-normals station is about 16 km from Edmond, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 7b means many perennials and even some tender shrubs overwinter in Edmond, while your frost dates still decide when annuals go out.

Station · GUTHRIE 5S · 15.9 km
Last spring frost
April 10
50% chance · 32°F
First fall frost
October 28
50% chance · 32°F
Growing season
201 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for EdmondA year-band showing 32°F frost risk from January to December for Edmond: last spring frost around April 10, first fall frost around October 28, about 201 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

GUTHRIE 5S · 1991–2020

The 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 Edmond’s own odds, recorded at GUTHRIE 5S.

Frost-probability curves for EdmondProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 10 and the first fall frost around October 28, giving about 201 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 7Apr 22Apr 6Oct 4Oct 19Nov 1
32°FApr 30Apr 10Mar 24Oct 14Oct 28Nov 10
28°FApr 17Mar 30Mar 11Oct 23Nov 5Nov 22

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 8July 22
Fall sowin 3 days
Rutabaga
July 22August 5
Fall sowin 17 days
Broccoli
August 5August 19
Fall sowin 17 days
Cabbage
August 5August 19
Fall sowin 17 days
Carrot
August 5August 19
Fall sowin 17 days
Cauliflower
August 5August 19
Fall sowin 17 days
Napa Cabbage
August 5September 2

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Edmond, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 20 km · complete 32°F normals

When 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 5S
Primary
16 km · 338 m elevation
SPRING
Apr 10
FALL
Oct 28
SPENCER 2ENE MESONET
16 km · 373 m elevation
SPRING
Apr 2
FALL
Nov 5
GUTHRIE MUNI AP
20 km · 326 m elevation
SPRING
Apr 3
FALL
Nov 1

Edmond planting FAQ

When is the last spring frost in Edmond, OK?

On average, the last spring frost in Edmond is around April 10 (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 Edmond, OK?

The first fall frost in Edmond typically arrives around October 28 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Edmond in?

Edmond 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 Edmond?

There are roughly 201 frost-free days in Edmond (a moderate growing season), running from the average last frost around April 10 to the first fall frost near October 28.

When should I plant tomatoes in Edmond?

In Edmond, start tomato seeds indoors around February 13–February 27, then transplant seedlings outdoors around April 17 once the danger of frost has passed.

Planting reminders

Never miss a window in Edmond

An email when it’s time to start seeds, transplant, and sow — timed to Edmond’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at GUTHRIE 5S, 16 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Edmond, OK — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00343821. Retrieved from https://blissgarden.com/oklahoma/edmond.
When to Plant in Edmond, OK — Frost Dates & Zone 7b — BlissGarden