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

Planting zone for 74045 — Maramec, OK

ZIP code 74045 (Maramec, Pawnee County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 6 and the first fall frost October 29.

Where ZIP 74045 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 6
First frostOct 29
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Maramec, 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 Maramec, OK

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 6median — 50% chance of a later frost
Safe for tender plantsApril 23only 10% chance of frost after
First fall frostOctober 29median — 10% chance by Oct 14
Growing season207 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 24 and returns around November 7.

From the NOAA station Mannford 6 Nw, OK — 15 miles away, elevation 830 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 74045

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 23 – Mar 9
SpinachSow outdoors · Feb 23 – Mar 16
Broccoli, cabbageStart indoors · Jan 26 – Feb 9
Broccoli, cabbageTransplant · Mar 16 – Mar 30
Onion setsPlant outdoors · Mar 9 – Mar 23
PotatoesPlant outdoors · Mar 16 – Mar 30
LettuceSow outdoors · Mar 9 – Mar 23
Carrots, beetsSow outdoors · Mar 16 – Mar 30
TomatoesStart indoors · Feb 9 – Feb 23
TomatoesTransplant · Apr 13 – Apr 27
Peppers, eggplantStart indoors · Jan 26 – Feb 9
Peppers, eggplantTransplant · Apr 20 – May 4
BeansSow outdoors · Apr 13 – Apr 27
Sweet cornSow outdoors · Apr 13 – Apr 27
Cucumbers, squashSow outdoors · Apr 13 – Apr 27
Fall lettuce, spinachSow outdoors · Sep 3 – Sep 17
GarlicPlant cloves · Oct 15 – Nov 19
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 6) and first fall frost (Oct 29) 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 74045 came on Feb 12 — 14 days earlier than the 1991–2020 average (Feb 26).

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 7a in Oklahoma

511 plants native to the lower 48 states, recorded in Oklahoma, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 59

Shrubs 90

Wildflowers & perennials 187

Grasses 153

Vines 15

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 Maramec, OK.

Soil in Maramec, OK

The soil mapped at the center of ZIP 74045 is Grainola — loam, well drained.

TextureLoama good balance for most vegetables
pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupDwater soaks in very slowly
Farmland classprime farmlandUSDA classification

Map unit: Grainola-Lucien 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 74045; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Maramec, OK

Summer high93 °Faverage high, July
Winter low28 °Faverage low, January
Hot days64days a year at 90 °F or more
Freezing nights77nights a year at 32 °F or less
Growing degree days5,161base 50 °F — the season’s usable heat
Longest day14 h 38 mindaylight on June 21
Shortest day9 h 41 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation41.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 50 °F, low 28 °F 50°28° JanFebruary: average high 55 °F, low 31 °F 55°31° FebMarch: average high 65 °F, low 40 °F 65°40° MarApril: average high 74 °F, low 48 °F 74°48° AprMay: average high 79 °F, low 58 °F 79°58° MayJune: average high 87 °F, low 67 °F 87°67° 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 50 °F 74°50° OctNovember: average high 62 °F, low 39 °F 62°39° NovDecember: average high 51 °F, low 30 °F 51°30° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.59 in precipitation 1.6 JanFebruary: 1.87 in precipitation 1.9 FebMarch: 3.20 in precipitation 3.2 MarApril: 4.28 in precipitation 4.3 AprMay: 5.65 in precipitation 5.7 MayJune: 4.92 in precipitation 4.9 JunJuly: 3.24 in precipitation 3.2 JulAugust: 3.75 in precipitation 3.8 AugSeptember: 4.68 in precipitation 4.7 SepOctober: 2.96 in precipitation 3.0 OctNovember: 2.92 in precipitation 2.9 NovDecember: 2.19 in precipitation 2.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mannford 6 Nw, OK (15 mi away); precipitation: Maramec, OK (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

Oklahoma planting zones →

Questions about 74045

What planting zone is ZIP code 74045?

ZIP code 74045 (Maramec, OK) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Maramec, OK?

The median last spring frost (32 °F) near 74045 is April 6; after April 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mannford 6 Nw station.

When is the first frost in Maramec, OK?

The median first fall frost near 74045 is October 29, giving a median frost-free growing season of 207 days.

When should I plant tomatoes in 74045?

Start tomato seeds indoors around Feb 9 – Feb 23 and set transplants outside around Apr 13 – Apr 27, one to three weeks after the median last frost.

How much rain and snow does 74045 get?

About 41.3 inches of precipitation a year (NOAA 1991–2020 normals, Maramec station).

How hot do summers get in Maramec, OK?

The average high peaks at 93 °F in July, with about 64 days a year at 90 °F or more.

What kind of soil does 74045 have?

The USDA soil survey maps Grainola at the center of ZIP 74045: loam, well drained, pH about 7.5 (slightly alkaline).

Did spring come early in Maramec, OK in 2026?

Spring leaf-out near 74045 came on Feb 12 in 2026, 14 days earlier than the 1991–2020 average (Feb 26), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Maramec, OK?

Intermediate onions: the longest day near 74045 is 14 h 38 min, so day-neutral types bulb best; long-day varieties may not bulb fully.