Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 73083 — Edmond, OK

ZIP code 73083 (Edmond, Oklahoma County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 10 and the first fall frost October 28.

Where ZIP 73083 is

tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 10
First frostOct 28
2012 zone7a

Was 7a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Edmond, OK…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Edmond, OK

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 10median — 50% chance of a later frost
Safe for tender plantsApril 30only 10% chance of frost after
First fall frostOctober 28median — 10% chance by Oct 14
Growing season199 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 30 and returns around November 5.

From the NOAA station Guthrie 5s, OK — 11 miles away, elevation 1,109 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 73083

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 27 – Mar 13
SpinachSow outdoors · Feb 27 – Mar 20
Broccoli, cabbageStart indoors · Jan 30 – Feb 13
Broccoli, cabbageTransplant · Mar 20 – Apr 3
Onion setsPlant outdoors · Mar 13 – Mar 27
PotatoesPlant outdoors · Mar 20 – Apr 3
LettuceSow outdoors · Mar 13 – Mar 27
Carrots, beetsSow outdoors · Mar 20 – Apr 3
TomatoesStart indoors · Feb 13 – Feb 27
TomatoesTransplant · Apr 17 – May 1
Peppers, eggplantStart indoors · Jan 30 – Feb 13
Peppers, eggplantTransplant · Apr 24 – May 8
BeansSow outdoors · Apr 17 – May 1
Sweet cornSow outdoors · Apr 17 – May 1
Cucumbers, squashSow outdoors · Apr 17 – May 1
Fall lettuce, spinachSow outdoors · Sep 2 – Sep 16
GarlicPlant cloves · Oct 14 – Nov 18
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 10) and first fall frost (Oct 28) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 73083 came on Feb 12 — 11 days earlier than the 1991–2020 average (Feb 23).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 7b in Oklahoma

518 plants native to the lower 48 states, recorded in Oklahoma, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 60

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fbald cypress130 ft · blooms mid spring · medium shade tolerance · to −18 °F

Shrubs 91

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °F

Wildflowers & perennials 188

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 157

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °FArizona threeawn2 ft · blooms mid summer · high shade tolerance · to −3 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °F

Vines 15

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Edmond, OK.

Soil in Edmond, OK

The soil mapped at the center of ZIP 73083 is Renthin — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.7neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Renthin-Urban land complex, 1 to 5 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 73083; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Edmond, OK

Summer high93 °Faverage high, July
Winter low25 °Faverage low, January
Hot days75days a year at 90 °F or more
Freezing nights87nights a year at 32 °F or less
Growing degree days4,979base 50 °F — the season’s usable heat
Longest day14 h 34 mindaylight on June 21
Shortest day9 h 44 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation36.7 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 49 °F, low 25 °F 49°25° JanFebruary: average high 54 °F, low 28 °F 54°28° FebMarch: average high 63 °F, low 37 °F 63°37° MarApril: average high 72 °F, low 46 °F 72°46° AprMay: average high 79 °F, low 57 °F 79°57° MayJune: average high 87 °F, low 66 °F 87°66° JunJuly: average high 93 °F, low 71 °F 93°71° JulAugust: average high 93 °F, low 69 °F 93°69° AugSeptember: average high 85 °F, low 61 °F 85°61° SepOctober: average high 74 °F, low 48 °F 74°48° OctNovember: average high 61 °F, low 37 °F 61°37° NovDecember: average high 50 °F, low 28 °F 50°28° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.21 in precipitation 1.2 JanFebruary: 1.38 in precipitation 1.4 FebMarch: 2.27 in precipitation 2.3 MarApril: 3.81 in precipitation 3.8 AprMay: 4.89 in precipitation 4.9 MayJune: 5.55 in precipitation 5.5 JunJuly: 3.87 in precipitation 3.9 JulAugust: 3.45 in precipitation 3.5 AugSeptember: 3.42 in precipitation 3.4 SepOctober: 3.32 in precipitation 3.3 OctNovember: 1.89 in precipitation 1.9 NovDecember: 1.63 in precipitation 1.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Guthrie 5s, OK (11 mi away); precipitation: Edmond 7.4 Wsw, OK (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

730037b
Edmond, OK · 2 mi
730347b
Edmond, OK · 3 mi
730137b
Edmond, OK · 4 mi
731317b
Oklahoma City, OK · 6 mi
731147b
Oklahoma City, OK · 7 mi
731347b
Oklahoma City, OK · 7 mi
731517b
Oklahoma City, OK · 7 mi
730127b
Edmond, OK · 7 mi

All 6 ZIP codes in Edmond → · Oklahoma planting zones →

Questions about 73083

What planting zone is ZIP code 73083?

ZIP code 73083 (Edmond, OK) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Edmond, OK?

The median last spring frost (32 °F) near 73083 is April 10; after April 30 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Guthrie 5s station.

When is the first frost in Edmond, OK?

The median first fall frost near 73083 is October 28, giving a median frost-free growing season of 199 days.

When should I plant tomatoes in 73083?

Start tomato seeds indoors around Feb 13 – Feb 27 and set transplants outside around Apr 17 – May 1, one to three weeks after the median last frost.

How much rain and snow does 73083 get?

About 36.7 inches of precipitation a year (NOAA 1991–2020 normals, Edmond 7.4 Wsw station).

How hot do summers get in Edmond, OK?

The average high peaks at 93 °F in July, with about 75 days a year at 90 °F or more.

What kind of soil does 73083 have?

The USDA soil survey maps Renthin at the center of ZIP 73083: silt loam, well drained, pH about 6.7 (neutral).

Did spring come early in Edmond, OK in 2026?

Spring leaf-out near 73083 came on Feb 12 in 2026, 11 days earlier than the 1991–2020 average (Feb 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Edmond, OK?

Intermediate onions: the longest day near 73083 is 14 h 34 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 73083 change?

Yes. The 2012 USDA map put 73083 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.