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

Planting zone for 97637 — Plush, OR

ZIP code 97637 (Plush, Lake County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is June 4 and the first fall frost September 17.

Where ZIP 97637 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostJun 4
First frostSep 17
2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Plush, 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 Plush, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 4median — 50% chance of a later frost
Safe for tender plantsJune 22only 10% chance of frost after
First fall frostSeptember 17median — 10% chance by Aug 27
Growing season102 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 12 and returns around September 30.

From the NOAA station Lakeview 2 Nnw, OR — 26 miles away, elevation 4,892 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 97637

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 23 – May 7
SpinachSow outdoors · Apr 23 – May 14
Broccoli, cabbageStart indoors · Mar 26 – Apr 9
Broccoli, cabbageTransplant · May 14 – May 28
Onion setsPlant outdoors · May 7 – May 21
PotatoesPlant outdoors · May 14 – May 28
LettuceSow outdoors · May 7 – May 21
Carrots, beetsSow outdoors · May 14 – May 28
TomatoesStart indoors · Apr 9 – Apr 23
TomatoesTransplant · Jun 11 – Jun 25
Peppers, eggplantStart indoors · Mar 26 – Apr 9
Peppers, eggplantTransplant · Jun 18 – Jul 2
BeansSow outdoors · Jun 11 – Jun 25
Sweet cornSow outdoors · Jun 11 – Jun 25
Cucumbers, squashSow outdoors · Jun 11 – Jun 25
Fall lettuce, spinachSow outdoors · Jul 23 – Aug 6
GarlicPlant cloves · Sep 3 – Oct 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 4) and first fall frost (Sep 17) 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 97637 came on Mar 15 — 24 days earlier than the 1991–2020 average (Apr 8).

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 Plush, OR

The soil mapped at the center of ZIP 97637 is Drakesflat — loam, well drained.

TextureLoama good balance for most vegetables
pH7.2neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Drakesflat-Coglin complex, 2 to 15 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 97637; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Plush, OR

Summer high83 °Faverage high, July
Winter low20 °Faverage low, December
Hot days13days a year at 90 °F or more
Freezing nights207nights a year at 32 °F or less
Growing degree days1,497base 50 °F — the season’s usable heat
Longest day15 h 18 mindaylight on June 21
Shortest day9 h 04 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation15.3 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 41 °F, low 22 °F 41°22° JanFebruary: average high 42 °F, low 21 °F 42°21° FebMarch: average high 48 °F, low 25 °F 48°25° MarApril: average high 53 °F, low 28 °F 53°28° AprMay: average high 62 °F, low 35 °F 62°35° MayJune: average high 72 °F, low 40 °F 72°40° JunJuly: average high 83 °F, low 47 °F 83°47° JulAugust: average high 83 °F, low 46 °F 83°46° AugSeptember: average high 74 °F, low 39 °F 74°39° SepOctober: average high 61 °F, low 31 °F 61°31° OctNovember: average high 47 °F, low 24 °F 47°24° NovDecember: average high 39 °F, low 20 °F 39°20° Dec

Precipitation by month inches

0″1″2″3″January: 1.27 in precipitation 1.3 JanFebruary: 1.48 in precipitation 1.5 FebMarch: 1.64 in precipitation 1.6 MarApril: 1.82 in precipitation 1.8 AprMay: 2.09 in precipitation 2.1 MayJune: 1.24 in precipitation 1.2 JunJuly: 0.49 in precipitation 0.5 JulAugust: 0.44 in precipitation 0.4 AugSeptember: 0.71 in precipitation 0.7 SepOctober: 1.37 in precipitation 1.4 OctNovember: 1.44 in precipitation 1.4 NovDecember: 1.30 in precipitation 1.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hart Mtn Refuge, OR (16 mi away); precipitation: Hart Mtn Refuge, OR (16 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

976206b
Adel, OR · 14 mi
976306b
Lakeview, OR · 25 mi
976366b
Paisley, OR · 34 mi
976356b
New Pine Creek, OR · 41 mi
961126b
Fort Bidwell, CA · 42 mi
976406b
Summer Lake, OR · 46 mi
961086b
Davis Creek, CA · 53 mi
961156b
Lake City, CA · 54 mi

Oregon planting zones →

Questions about 97637

What planting zone is ZIP code 97637?

ZIP code 97637 (Plush, OR) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Plush, OR?

The median last spring frost (32 °F) near 97637 is June 4; after June 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lakeview 2 Nnw station.

When is the first frost in Plush, OR?

The median first fall frost near 97637 is September 17, giving a median frost-free growing season of 102 days.

When should I plant tomatoes in 97637?

Start tomato seeds indoors around Apr 9 – Apr 23 and set transplants outside around Jun 11 – Jun 25, one to three weeks after the median last frost.

How much rain and snow does 97637 get?

About 15.3 inches of precipitation a year (NOAA 1991–2020 normals, Hart Mtn Refuge station).

How hot do summers get in Plush, OR?

The average high peaks at 83 °F in July, with about 13 days a year at 90 °F or more.

What kind of soil does 97637 have?

The USDA soil survey maps Drakesflat at the center of ZIP 97637: loam, well drained, pH about 7.2 (neutral).

Did spring come early in Plush, OR in 2026?

Spring leaf-out near 97637 came on Mar 15 in 2026, 24 days earlier than the 1991–2020 average (Apr 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Plush, OR?

Long-day onions: the longest day near 97637 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).