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

Planting zone for 97739 — La Pine, OR

ZIP code 97739 (La Pine, Deschutes County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is June 7 and the first fall frost September 18.

Where ZIP 97739 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 7
First frostSep 18
2012 zone6a

Was 6a on the 2012 map — half a zone warmer now. 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 La Pine, 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 La Pine, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 7median — 50% chance of a later frost
Safe for tender plantsJuly 2only 10% chance of frost after
First fall frostSeptember 18median — 10% chance by Sep 3
Growing season100 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 16 and returns around October 3.

From the NOAA station Wickiup Dam, OR — 10 miles away, elevation 4,357 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 97739

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 26 – May 10
SpinachSow outdoors · Apr 26 – May 17
Broccoli, cabbageStart indoors · Mar 29 – Apr 12
Broccoli, cabbageTransplant · May 17 – May 31
Onion setsPlant outdoors · May 10 – May 24
PotatoesPlant outdoors · May 17 – May 31
LettuceSow outdoors · May 10 – May 24
Carrots, beetsSow outdoors · May 17 – May 31
TomatoesStart indoors · Apr 12 – Apr 26
TomatoesTransplant · Jun 14 – Jun 28
Peppers, eggplantStart indoors · Mar 29 – Apr 12
Peppers, eggplantTransplant · Jun 21 – Jul 5
BeansSow outdoors · Jun 14 – Jun 28
Sweet cornSow outdoors · Jun 14 – Jun 28
Cucumbers, squashSow outdoors · Jun 14 – Jun 28
Fall lettuce, spinachSow outdoors · Jul 24 – Aug 7
GarlicPlant cloves · Sep 4 – Oct 9
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 7) and first fall frost (Sep 18) 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 97739 came on Mar 23 — 22 days earlier than the 1991–2020 average (Apr 14).

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 6b in Oregon

613 plants native to the lower 48 states, recorded in Oregon, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 40

Alaska cedar75 ft · blooms mid spring · low shade tolerance · to −22 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigleaf maple60 ft · blooms mid spring · medium shade tolerance · to −14 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °FBrewer spruce100 ft · blooms early summer · low shade tolerance · to −13 °F

Shrubs 114

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °F

Wildflowers & perennials 287

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 161

Alaska brome5 ft · blooms late spring · low shade tolerance · to −18 °FAlaska oniongrass3 ft · blooms mid spring · low shade tolerance · to −33 °Falkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °F

Vines 2

riverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fwestern white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

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 La Pine, OR.

Soil in La Pine, OR

The soil mapped at the center of ZIP 97739 is Shanahan — slightly decomposed plant material, somewhat excessively drained.

TextureSlightly decomposed plant materialtop layer
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter75%high
Hydrologic groupAwater soaks in fast
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Shanahan loamy coarse sand, low, 0 to 3 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 97739; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in La Pine, OR

Summer high83 °Faverage high, July
Winter low21 °Faverage low, January
Hot days15days a year at 90 °F or more
Freezing nights201nights a year at 32 °F or less
Growing degree days1,514base 50 °F — the season’s usable heat
Longest day15 h 27 mindaylight on June 21
Shortest day8 h 55 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation19.5 inper year, rain and melted snow
Snowfall74 inper year; 98 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 40 °F, low 21 °F 40°21° JanFebruary: average high 43 °F, low 22 °F 43°22° FebMarch: average high 48 °F, low 26 °F 48°26° MarApril: average high 54 °F, low 30 °F 54°30° AprMay: average high 63 °F, low 36 °F 63°36° MayJune: average high 71 °F, low 42 °F 71°42° JunJuly: average high 83 °F, low 47 °F 83°47° JulAugust: average high 82 °F, low 46 °F 82°46° AugSeptember: average high 75 °F, low 38 °F 75°38° SepOctober: average high 62 °F, low 31 °F 62°31° OctNovember: average high 46 °F, low 26 °F 46°26° NovDecember: average high 38 °F, low 21 °F 38°21° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 2.97 in precipitation, 17.9 in snowfall 3.0❄18 JanFebruary: 2.04 in precipitation, 14.9 in snowfall 2.0❄15 FebMarch: 1.72 in precipitation, 8.4 in snowfall 1.7❄8 MarApril: 1.25 in precipitation, 2 in snowfall 1.3❄2 AprMay: 1.32 in precipitation, 0.3 in snowfall 1.3 MayJune: 0.90 in precipitation 0.9 JunJuly: 0.45 in precipitation 0.5 JulAugust: 0.59 in precipitation 0.6 AugSeptember: 0.61 in precipitation 0.6 SepOctober: 1.45 in precipitation, 0.8 in snowfall 1.4❄1 OctNovember: 2.60 in precipitation, 8.9 in snowfall 2.6❄9 NovDecember: 3.62 in precipitation, 20.7 in snowfall 3.6❄21 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wickiup Dam, OR (10 mi away); precipitation: Wickiup Dam, OR (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

977076a
Bend, OR · 11 mi
977376a
Gilchrist, OR · 18 mi
977096b
Bend, OR · 24 mi
977026b
Bend, OR · 26 mi
977086b
Bend, OR · 28 mi
977336b
Crescent, OR · 28 mi
977356a
Fort Rock, OR · 32 mi
977016b
Bend, OR · 32 mi

Oregon planting zones →

Questions about 97739

What planting zone is ZIP code 97739?

ZIP code 97739 (La Pine, 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 La Pine, OR?

The median last spring frost (32 °F) near 97739 is June 7; after July 2 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wickiup Dam station.

When is the first frost in La Pine, OR?

The median first fall frost near 97739 is September 18, giving a median frost-free growing season of 100 days.

When should I plant tomatoes in 97739?

Start tomato seeds indoors around Apr 12 – Apr 26 and set transplants outside around Jun 14 – Jun 28, one to three weeks after the median last frost.

How much rain and snow does 97739 get?

About 19.5 inches of precipitation a year and 74 inches of snowfall (NOAA 1991–2020 normals, Wickiup Dam station).

How hot do summers get in La Pine, OR?

The average high peaks at 83 °F in July, with about 15 days a year at 90 °F or more.

What kind of soil does 97739 have?

The USDA soil survey maps Shanahan at the center of ZIP 97739: slightly decomposed plant material, somewhat excessively drained, pH about 5.0 (strongly acidic).

Did spring come early in La Pine, OR in 2026?

Spring leaf-out near 97739 came on Mar 23 in 2026, 22 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in La Pine, OR?

Long-day onions: the longest day near 97739 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 97739 change?

Yes. The 2012 USDA map put 97739 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.