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

Planting zone for 73057 — Maysville, OK

ZIP code 73057 (Maysville, Garvin County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 4 and the first fall frost November 2.

Where ZIP 73057 is

Outlined: the ZIP code area · 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 4
First frostNov 2
2012 zone7b

Same zone as on the 2012 map. 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 Maysville, 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 Maysville, OK

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 4median — 50% chance of a later frost
Safe for tender plantsApril 24only 10% chance of frost after
First fall frostNovember 2median — 10% chance by Oct 18
Growing season210 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 23 and returns around November 11.

From the NOAA station Purcell 2 Sw, OK — 11 miles away, elevation 1,119 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 73057

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 21 – Mar 7
SpinachSow outdoors · Feb 21 – Mar 14
Broccoli, cabbageStart indoors · Jan 24 – Feb 7
Broccoli, cabbageTransplant · Mar 14 – Mar 28
Onion setsPlant outdoors · Mar 7 – Mar 21
PotatoesPlant outdoors · Mar 14 – Mar 28
LettuceSow outdoors · Mar 7 – Mar 21
Carrots, beetsSow outdoors · Mar 14 – Mar 28
TomatoesStart indoors · Feb 7 – Feb 21
TomatoesTransplant · Apr 11 – Apr 25
Peppers, eggplantStart indoors · Jan 24 – Feb 7
Peppers, eggplantTransplant · Apr 18 – May 2
BeansSow outdoors · Apr 11 – Apr 25
Sweet cornSow outdoors · Apr 11 – Apr 25
Cucumbers, squashSow outdoors · Apr 11 – Apr 25
Fall lettuce, spinachSow outdoors · Sep 7 – Sep 21
GarlicPlant cloves · Oct 19 – Nov 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Nov 2) 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 73057 came on Feb 12 — 7 days earlier than the 1991–2020 average (Feb 19).

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).

Soil in Maysville, OK

The soil mapped at the center of ZIP 73057 is Keokuk — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH7.3neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Keokuk silt loam, 0 to 1 percent slopes, rarely flooded.

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 73057; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Maysville, OK

Summer high94 °Faverage high, July
Winter low26 °Faverage low, January
Hot days75days a year at 90 °F or more
Freezing nights80nights a year at 32 °F or less
Growing degree days5,246base 50 °F — the season’s usable heat
Longest day14 h 30 mindaylight on June 21
Shortest day9 h 49 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation38.4 inper year, rain and melted snow
Snowfall4 inper year; 2 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 52 °F, low 26 °F 52°26° JanFebruary: average high 58 °F, low 31 °F 58°31° FebMarch: average high 66 °F, low 40 °F 66°40° MarApril: average high 74 °F, low 48 °F 74°48° AprMay: average high 81 °F, low 57 °F 81°57° MayJune: average high 89 °F, low 67 °F 89°67° JunJuly: average high 94 °F, low 70 °F 94°70° JulAugust: average high 94 °F, low 68 °F 94°68° AugSeptember: average high 86 °F, low 62 °F 86°62° SepOctober: average high 76 °F, low 50 °F 76°50° OctNovember: average high 63 °F, low 38 °F 63°38° NovDecember: average high 54 °F, low 30 °F 54°30° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 1.78 in precipitation, 1.4 in snowfall 1.8❄1 JanFebruary: 2.23 in precipitation, 0.5 in snowfall 2.2❄1 FebMarch: 2.83 in precipitation, 0.2 in snowfall 2.8 MarApril: 3.34 in precipitation 3.3 AprMay: 5.27 in precipitation 5.3 MayJune: 4.94 in precipitation 4.9 JunJuly: 2.74 in precipitation 2.7 JulAugust: 2.69 in precipitation 2.7 AugSeptember: 4.34 in precipitation 4.3 SepOctober: 3.28 in precipitation 3.3 OctNovember: 2.60 in precipitation, 0.4 in snowfall 2.6 NovDecember: 2.36 in precipitation, 1.3 in snowfall 2.4❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Purcell 2 Sw, OK (11 mi away); precipitation: Pauls Valley 4 Wsw, OK (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

730747b
Paoli, OK · 9 mi
730527b
Lindsay, OK · 10 mi
730957b
Wayne, OK · 10 mi
730757b
Pauls Valley, OK · 12 mi
730807b
Purcell, OK · 13 mi
734337b
Elmore City, OK · 13 mi
734347b
Foster, OK · 17 mi
730517b
Lexington, OK · 17 mi

Oklahoma planting zones →

Questions about 73057

What planting zone is ZIP code 73057?

ZIP code 73057 (Maysville, 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 Maysville, OK?

The median last spring frost (32 °F) near 73057 is April 4; after April 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Purcell 2 Sw station.

When is the first frost in Maysville, OK?

The median first fall frost near 73057 is November 2, giving a median frost-free growing season of 210 days.

When should I plant tomatoes in 73057?

Start tomato seeds indoors around Feb 7 – Feb 21 and set transplants outside around Apr 11 – Apr 25, one to three weeks after the median last frost.

How much rain and snow does 73057 get?

About 38.4 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Pauls Valley 4 Wsw station).

How hot do summers get in Maysville, OK?

The average high peaks at 94 °F in July, with about 75 days a year at 90 °F or more.

What kind of soil does 73057 have?

The USDA soil survey maps Keokuk at the center of ZIP 73057: silt loam, well drained, pH about 7.3 (neutral).

Did spring come early in Maysville, OK in 2026?

Spring leaf-out near 73057 came on Feb 12 in 2026, 7 days earlier than the 1991–2020 average (Feb 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Maysville, OK?

Intermediate onions: the longest day near 73057 is 14 h 30 min, so day-neutral types bulb best; long-day varieties may not bulb fully.