Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 74535 — Clarita, OK

ZIP code 74535 (Clarita, Coal County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is March 31 and the first fall frost November 1.

Where ZIP 74535 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 frostMar 31

First frostNov 1

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 Clarita, 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 Clarita, OK

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 31median — 50% chance of a later frost

Safe for tender plantsApril 19only 10% chance of frost after

First fall frostNovember 1median — 10% chance by Oct 17

Growing season216 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 16 and returns around November 10.

From the NOAA station Centrahoma 1e Mesonet, OK — 11 miles away, elevation 682 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 74535

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 17 – Mar 3

SpinachSow outdoors · Feb 17 – Mar 10

Broccoli, cabbageStart indoors · Jan 20 – Feb 3

Broccoli, cabbageTransplant · Mar 10 – Mar 24

Onion setsPlant outdoors · Mar 3 – Mar 17

PotatoesPlant outdoors · Mar 10 – Mar 24

LettuceSow outdoors · Mar 3 – Mar 17

Carrots, beetsSow outdoors · Mar 10 – Mar 24

TomatoesStart indoors · Feb 3 – Feb 17

TomatoesTransplant · Apr 7 – Apr 21

Peppers, eggplantStart indoors · Jan 20 – Feb 3

Peppers, eggplantTransplant · Apr 14 – Apr 28

BeansSow outdoors · Apr 7 – Apr 21

Sweet cornSow outdoors · Apr 7 – Apr 21

Cucumbers, squashSow outdoors · Apr 7 – Apr 21

Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20

GarlicPlant cloves · Oct 18 – Nov 22

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 31) and first fall frost (Nov 1) 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 74535 came on Feb 11 — 7 days earlier than the 1991–2020 average (Feb 18).

average
Feb 182026
Feb 11

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.

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 Clarita, OK.

Soil in Clarita, OK

The soil mapped at the center of ZIP 74535 is Steedman — clay loam, moderately well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up

pH5.8moderately acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter1.75%low — add compost

Hydrologic groupDwater soaks in very slowly

Farmland classprime farmlandUSDA classification

Map unit: Steedman clay loam, 3 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 74535; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Clarita, OK

Summer high93 °Faverage high, August

Winter low28 °Faverage low, January

Hot days77days a year at 90 °F or more

Freezing nights74nights a year at 32 °F or less

Growing degree days5,232base 50 °F — the season’s usable heat

Longest day14 h 28 mindaylight on June 21

Shortest day9 h 51 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation43.7 inper year, rain and melted snow

Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Centrahoma 1e Mesonet, OK (11 mi away); precipitation: Pontotoc 1n, OK (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Stonewall, OK · 10 mi

745727b

Tupelo, OK · 10 mi

745347b

Centrahoma, OK · 11 mi

748367b

Connerville, OK · 11 mi

745387b

Coalgate, OK · 13 mi

748427b

Fittstown, OK · 13 mi

Oklahoma planting zones →

Questions about 74535

What planting zone is ZIP code 74535?

ZIP code 74535 (Clarita, 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 Clarita, OK?

The median last spring frost (32 °F) near 74535 is March 31; after April 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Centrahoma 1e Mesonet station.

When is the first frost in Clarita, OK?

The median first fall frost near 74535 is November 1, giving a median frost-free growing season of 216 days.

When should I plant tomatoes in 74535?

Start tomato seeds indoors around Feb 3 – Feb 17 and set transplants outside around Apr 7 – Apr 21, one to three weeks after the median last frost.

How much rain and snow does 74535 get?

About 43.7 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Pontotoc 1n station).

How hot do summers get in Clarita, OK?

The average high peaks at 93 °F in August, with about 77 days a year at 90 °F or more.

What kind of soil does 74535 have?

The USDA soil survey maps Steedman at the center of ZIP 74535: clay loam, moderately well drained, pH about 5.8 (moderately acidic).

Did spring come early in Clarita, OK in 2026?

Spring leaf-out near 74535 came on Feb 11 in 2026, 7 days earlier than the 1991–2020 average (Feb 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Clarita, OK?

Intermediate onions: the longest day near 74535 is 14 h 28 min, so day-neutral types bulb best; long-day varieties may not bulb fully.