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

Planting zone for 97621 — Beatty, OR

ZIP code 97621 (Beatty, Klamath County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 31 and the first fall frost September 21.

Where ZIP 97621 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.

Zone6a−10 to −5 °F

Coldest night−23.3 to −20.6 °C

Last frostMay 31

First frostSep 21

2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Beatty, OR…

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 Beatty, OR

JanFebMarAprMayJunJulAugSepOctNovDec

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

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

Safe for tender plantsJune 17only 10% chance of frost after

First fall frostSeptember 21median — 10% chance by Sep 6

Growing season114 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 5 and returns around October 4.

From the NOAA station Gerber Dam, OR — 22 miles away, elevation 4,869 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 97621

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 19 – May 3

SpinachSow outdoors · Apr 19 – May 10

Broccoli, cabbageStart indoors · Mar 22 – Apr 5

Broccoli, cabbageTransplant · May 10 – May 24

Onion setsPlant outdoors · May 3 – May 17

PotatoesPlant outdoors · May 10 – May 24

LettuceSow outdoors · May 3 – May 17

Carrots, beetsSow outdoors · May 10 – May 24

TomatoesStart indoors · Apr 5 – Apr 19

TomatoesTransplant · Jun 7 – Jun 21

Peppers, eggplantStart indoors · Mar 22 – Apr 5

Peppers, eggplantTransplant · Jun 14 – Jun 28

BeansSow outdoors · Jun 7 – Jun 21

Sweet cornSow outdoors · Jun 7 – Jun 21

Cucumbers, squashSow outdoors · Jun 7 – Jun 21

Fall lettuce, spinachSow outdoors · Jul 27 – Aug 10

GarlicPlant cloves · Sep 7 – Oct 12

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 31) and first fall frost (Sep 21) 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 97621 came on Mar 20 — 22 days earlier than the 1991–2020 average (Apr 11).

average
Apr 112026
Mar 20

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 6a in Oregon

607 plants native to the lower 48 states, recorded in Oregon, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 Beatty, OR.

Soil in Beatty, OR

The soil mapped at the center of ZIP 97621 is Yonna — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables

pH9.0alkaline; most vegetables like 6.0–7.0

DrainageSomewhat poorly drainedconsider raised beds

Organic matter5%high

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Yonna silt loam, occasionally ponded, 0 to 2 percent slopes, frequently 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 97621; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Beatty, OR

Summer high86 °Faverage high, July

Winter low19 °Faverage low, December

Hot days16days a year at 90 °F or more

Freezing nights191nights a year at 32 °F or less

Growing degree days1,628base 50 °F — the season’s usable heat

Longest day15 h 18 mindaylight on June 21

Shortest day9 h 03 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation21.1 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Gerber Dam, OR (22 mi away); precipitation: Taylor Butte, OR (15 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

976396a

Sprague River, OR · 12 mi

Chiloquin, OR · 29 mi

976026b

Klamath Falls, OR · 32 mi

976036b

Klamath Falls, OR · 32 mi

976326b

Malin, OR · 33 mi

Oregon planting zones →

Questions about 97621

What planting zone is ZIP code 97621?

ZIP code 97621 (Beatty, OR) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Beatty, OR?

The median last spring frost (32 °F) near 97621 is May 31; after June 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Gerber Dam station.

When is the first frost in Beatty, OR?

The median first fall frost near 97621 is September 21, giving a median frost-free growing season of 114 days.

When should I plant tomatoes in 97621?

Start tomato seeds indoors around Apr 5 – Apr 19 and set transplants outside around Jun 7 – Jun 21, one to three weeks after the median last frost.

How much rain and snow does 97621 get?

About 21.1 inches of precipitation a year (NOAA 1991–2020 normals, Taylor Butte station).

How hot do summers get in Beatty, OR?

The average high peaks at 86 °F in July, with about 16 days a year at 90 °F or more.

What kind of soil does 97621 have?

The USDA soil survey maps Yonna at the center of ZIP 97621: silt loam, somewhat poorly drained, pH about 9.0 (alkaline).

Did spring come early in Beatty, OR in 2026?

Spring leaf-out near 97621 came on Mar 20 in 2026, 22 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Beatty, OR?

Long-day onions: the longest day near 97621 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).