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

Planting zone for 97388 — Gleneden Beach, OR

ZIP code 97388 (Gleneden Beach, Lincoln County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is April 4 and the first fall frost November 16.

Where ZIP 97388 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostApr 4
First frostNov 16
2012 zone9a

Was 9a 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 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Gleneden Beach, 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 Gleneden Beach, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 4median — 50% chance of a later frost
Safe for tender plantsMay 3only 10% chance of frost after
First fall frostNovember 16median — 10% chance by Oct 26
Growing season227 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 18 and returns around December 8.

From the NOAA station Otis 2 Ne, OR — 12 miles away, elevation 151 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 97388

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 21 – Mar 7
SpinachSow outdoors · Feb 21 – Mar 14
Broccoli, cabbageStart indoors · Jan 24 – Feb 7
Broccoli, cabbageTransplant · Mar 14 – Mar 28
Onion setsPlant outdoors · Mar 7 – Mar 21
PotatoesPlant outdoors · Mar 14 – Mar 28
LettuceSow outdoors · Mar 7 – Mar 21
Carrots, beetsSow outdoors · Mar 14 – Mar 28
TomatoesStart indoors · Feb 7 – Feb 21
TomatoesTransplant · Apr 11 – Apr 25
Peppers, eggplantStart indoors · Jan 24 – Feb 7
Peppers, eggplantTransplant · Apr 18 – May 2
BeansSow outdoors · Apr 11 – Apr 25
Sweet cornSow outdoors · Apr 11 – Apr 25
Cucumbers, squashSow outdoors · Apr 11 – Apr 25
Fall lettuce, spinachSow outdoors · Sep 21 – Oct 5
GarlicPlant cloves · Nov 2 – Dec 7
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Nov 16) 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 97388 came on Feb 1 — 5 days earlier than the 1991–2020 average (Feb 6).

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 Gleneden Beach, OR

The soil mapped at the center of ZIP 97388 is Fendall — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer
pH4.5strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter75%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Fendall-Templeton silt loams, 35 to 60 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 97388; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Gleneden Beach, OR

Summer high72 °Faverage high, August
Winter low37 °Faverage low, December
Hot days2days a year at 90 °F or more
Freezing nights32nights a year at 32 °F or less
Growing degree days1,601base 50 °F — the season’s usable heat
Longest day15 h 36 mindaylight on June 21
Shortest day8 h 47 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation96.4 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°32 °FJanuary: average high 49 °F, low 38 °F 49°38° JanFebruary: average high 52 °F, low 38 °F 52°38° FebMarch: average high 55 °F, low 39 °F 55°39° MarApril: average high 59 °F, low 41 °F 59°41° AprMay: average high 63 °F, low 45 °F 63°45° MayJune: average high 66 °F, low 49 °F 66°49° JunJuly: average high 71 °F, low 51 °F 71°51° JulAugust: average high 72 °F, low 52 °F 72°52° AugSeptember: average high 70 °F, low 49 °F 70°49° SepOctober: average high 61 °F, low 45 °F 61°45° OctNovember: average high 53 °F, low 41 °F 53°41° NovDecember: average high 48 °F, low 37 °F 48°37° Dec

Precipitation by month inches

0″2″4″6″8″10″12″14″16″January: 14.58 in precipitation, 0.1 in snowfall 14.6 JanFebruary: 10.53 in precipitation 10.5 FebMarch: 10.79 in precipitation 10.8 MarApril: 8.17 in precipitation 8.2 AprMay: 4.69 in precipitation 4.7 MayJune: 3.50 in precipitation 3.5 JunJuly: 0.90 in precipitation 0.9 JulAugust: 1.40 in precipitation 1.4 AugSeptember: 3.38 in precipitation 3.4 SepOctober: 8.47 in precipitation 8.5 OctNovember: 14.13 in precipitation 14.1 NovDecember: 15.85 in precipitation 15.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Otis 2 Ne, OR (12 mi away); precipitation: Otis 2 Ne, OR (12 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

973679a
Lincoln City, OR · 3 mi
973419a
Depoe Bay, OR · 4 mi
973809a
Siletz, OR · 8 mi
973649a
Neotsu, OR · 8 mi
973699a
Otter Rock, OR · 9 mi
973689a
Otis, OR · 11 mi
973579a
Logsden, OR · 13 mi
973659b
Newport, OR · 14 mi

Oregon planting zones →

Questions about 97388

What planting zone is ZIP code 97388?

ZIP code 97388 (Gleneden Beach, OR) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Gleneden Beach, OR?

The median last spring frost (32 °F) near 97388 is April 4; after May 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Otis 2 Ne station.

When is the first frost in Gleneden Beach, OR?

The median first fall frost near 97388 is November 16, giving a median frost-free growing season of 227 days.

When should I plant tomatoes in 97388?

Start tomato seeds indoors around Feb 7 – Feb 21 and set transplants outside around Apr 11 – Apr 25, one to three weeks after the median last frost.

How much rain and snow does 97388 get?

About 96.4 inches of precipitation a year (NOAA 1991–2020 normals, Otis 2 Ne station).

How hot do summers get in Gleneden Beach, OR?

The average high peaks at 72 °F in August, with about 2 days a year at 90 °F or more.

What kind of soil does 97388 have?

The USDA soil survey maps Fendall at the center of ZIP 97388: slightly decomposed plant material, well drained, pH about 4.5 (strongly acidic).

Did spring come early in Gleneden Beach, OR in 2026?

Spring leaf-out near 97388 came on Feb 1 in 2026, 5 days earlier than the 1991–2020 average (Feb 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Gleneden Beach, OR?

Long-day onions: the longest day near 97388 is 15 h 36 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 97388 change?

Yes. The 2012 USDA map put 97388 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.