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Edmond, OK Planting Calendar & Frost Dates

USDA hardiness zone 7b · ZIP 73025 · elevation 338′ · NOAA & USDA data

Edmond is in USDA hardiness zone 7b (winters can dip to 5 to 10°F), with a growing season of about 214 days between the average last spring frost (April 3) and first fall frost (November 4). The warmest month is July (avg high 93.3°F); the coldest is January (avg low 25°F). It averages 38.2″ of precipitation a year and 7.1″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone
7b
min temp 5 to 10°F
Last spring frost
April 3
avg (50% prob, 32°F)
First fall frost
November 4
avg (50% prob, 32°F)
Growing season
214 days
frost-free window
Warmest month
July
avg high 93.3°F

Month-by-month typical weather in Edmond

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Guthrie 5s, OK (11.5 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 48.9 25 37 1.4 2.4
February 53.9 28.3 41.1 1.8 1.7
March 62.6 37 49.8 2.7 1.1
April 71.9 46.3 59.1 3.6 0
May 79 56.5 67.7 5.1 0
June 87.3 66.3 76.8 5.3 0
July 93.3 71.2 82.2 3 0
August 92.6 69.1 80.9 3.9 0
September 84.5 60.8 72.7 3.5 0
October 73.5 48.4 61 3.6 0
November 61.2 36.7 48.9 2.5 0.1
December 50.3 28.4 39.4 1.9 1.8

What to plant when in Edmond

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: February 20 · Transplant out: April 10
PepperswarmStart seeds indoors: February 6 · Transplant out: April 17
CucumberswarmDirect sow: April 10
Zucchini / squashwarmDirect sow: April 10
Bush beanswarmDirect sow: April 10
Sweet cornwarmDirect sow: April 10
BasilwarmTransplant out: April 10
PeascoolSow (spring): February 27 · Sow (fall): September 9
SpinachcoolSow (spring): February 20 · Sow (fall): September 9
LettucecoolSow (spring): March 6 · Sow (fall): September 9
KalecoolTransplant (spring): March 13 · Sow (fall): August 26
BroccolicoolTransplant (spring): March 20
CarrotscoolSow (spring): March 13 · Sow (fall): August 26
OnionscoolTransplant (spring): March 6
PotatoescoolPlant seed potatoes: March 20
RadishescoolSow (spring): March 6 · Sow (fall): September 23

Dates are computed from Edmond's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Oklahoma

Oklahoma City, OKStillwater, OKNorman, OKEnid, OKLawton, OKTulsa, OKBroken Arrow, OKMuskogee, OK

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Guthrie 4wsw Mesonet, OK, 9.7 mi (confidence: high). Monthly weather normals: Guthrie 5s, OK, 11.5 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.