Planting zone for 97364 — Neotsu, OR
ZIP code 97364 (Neotsu, Lincoln County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is April 4 and the first fall frost November 16.
Where ZIP 97364 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 9a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Neotsu, 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 Neotsu, OR
A hard freeze (28 °F) usually ends around February 18 and returns around December 8.
From the NOAA station Otis 2 Ne, OR — 4 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 97364
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 97364 came on Feb 1 — 3 days earlier than the 1991–2020 average (Feb 4).
Feb 42026
Feb 1
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 9a in Oregon
666 plants native to the lower 48 states, recorded in Oregon, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.
Trees 44
Shrubs 133
Wildflowers & perennials 305
Grasses 169
Vines 2
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 Neotsu, OR.
Soil in Neotsu, OR
The soil mapped at the center of ZIP 97364 is Fendall — medial silt loam, well drained.
Map unit: Fendall-Winema silt loams, 15 to 35 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 97364; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Neotsu, OR
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Otis 2 Ne, OR (4 mi away); precipitation: Otis 2 Ne, OR (4 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.
Questions about 97364
What planting zone is ZIP code 97364?
ZIP code 97364 (Neotsu, OR) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).
When is the last frost in Neotsu, OR?
The median last spring frost (32 °F) near 97364 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 Neotsu, OR?
The median first fall frost near 97364 is November 16, giving a median frost-free growing season of 227 days.
When should I plant tomatoes in 97364?
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 97364 get?
About 96.4 inches of precipitation a year (NOAA 1991–2020 normals, Otis 2 Ne station).
How hot do summers get in Neotsu, 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 97364 have?
The USDA soil survey maps Fendall at the center of ZIP 97364: medial silt loam, well drained, pH about 5.0 (strongly acidic).
Did spring come early in Neotsu, OR in 2026?
Spring leaf-out near 97364 came on Feb 1 in 2026, 3 days earlier than the 1991–2020 average (Feb 4), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Neotsu, OR?
Long-day onions: the longest day near 97364 is 15 h 37 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).