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

Planting zone for 97058 — The Dalles, OR

ZIP code 97058 (The Dalles, Wasco County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 14 and the first fall frost October 23.

Where ZIP 97058 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 14
First frostOct 23
2012 zone8a

Was 8a on the 2012 map — half a zone colder now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for The Dalles, 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 The Dalles, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsMay 1only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 5
Growing season191 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 20 and returns around November 5.

From the NOAA station The Dalles, 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 97058

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Aug 28 – Sep 11
GarlicPlant cloves · Oct 9 – Nov 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 23) 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 97058 came on Mar 11 — 4 days earlier than the 1991–2020 average (Mar 15).

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 7b in Oregon

627 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 7b. 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 120

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 292

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 164

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 The Dalles, OR.

Soil in The Dalles, OR

The soil mapped at the center of ZIP 97058 is Dufur — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Dufur silt loam, 7 to 12 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 97058; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in The Dalles, OR

Summer high89 °Faverage high, August
Winter low29 °Faverage low, January
Hot days42days a year at 90 °F or more
Freezing nights85nights a year at 32 °F or less
Growing degree days2,973base 50 °F — the season’s usable heat
Longest day15 h 41 mindaylight on June 21
Shortest day8 h 42 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation14 inper year, rain and melted snow
Snowfall6 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 43 °F, low 29 °F 43°29° JanFebruary: average high 49 °F, low 30 °F 49°30° FebMarch: average high 57 °F, low 34 °F 57°34° MarApril: average high 65 °F, low 39 °F 65°39° AprMay: average high 73 °F, low 47 °F 73°47° MayJune: average high 79 °F, low 53 °F 79°53° JunJuly: average high 88 °F, low 58 °F 88°58° JulAugust: average high 89 °F, low 57 °F 89°57° AugSeptember: average high 81 °F, low 49 °F 81°49° SepOctober: average high 67 °F, low 40 °F 67°40° OctNovember: average high 52 °F, low 33 °F 52°33° NovDecember: average high 43 °F, low 29 °F 43°29° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 2.45 in precipitation, 1.9 in snowfall 2.5❄2 JanFebruary: 1.64 in precipitation, 0.8 in snowfall 1.6❄1 FebMarch: 1.25 in precipitation, 0.1 in snowfall 1.3 MarApril: 0.96 in precipitation 1.0 AprMay: 0.76 in precipitation 0.8 MayJune: 0.41 in precipitation 0.4 JunJuly: 0.15 in precipitation 0.1 JulAugust: 0.19 in precipitation 0.2 AugSeptember: 0.32 in precipitation 0.3 SepOctober: 1.07 in precipitation 1.1 OctNovember: 1.88 in precipitation, 0.7 in snowfall 1.9❄1 NovDecember: 2.91 in precipitation, 2 in snowfall 2.9❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: The Dalles, OR (4 mi away); precipitation: The Dalles, OR (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

986178a
Dallesport, WA · 6 mi
970217b
Dufur, OR · 12 mi
970407b
Mosier, OR · 12 mi
986737b
Wishram, WA · 13 mi
986357b
Lyle, WA · 14 mi
986137b
Centerville, WA · 16 mi
970508a
Rufus, OR · 20 mi
986287b
Klickitat, WA · 21 mi

Oregon planting zones →

Questions about 97058

What planting zone is ZIP code 97058?

ZIP code 97058 (The Dalles, OR) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in The Dalles, OR?

The median last spring frost (32 °F) near 97058 is April 14; after May 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, The Dalles station.

When is the first frost in The Dalles, OR?

The median first fall frost near 97058 is October 23, giving a median frost-free growing season of 191 days.

When should I plant tomatoes in 97058?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 97058 get?

About 14 inches of precipitation a year and 6 inches of snowfall (NOAA 1991–2020 normals, The Dalles station).

How hot do summers get in The Dalles, OR?

The average high peaks at 89 °F in August, with about 42 days a year at 90 °F or more.

What kind of soil does 97058 have?

The USDA soil survey maps Dufur at the center of ZIP 97058: silt loam, well drained, pH about 7.0 (neutral).

Did spring come early in The Dalles, OR in 2026?

Spring leaf-out near 97058 came on Mar 11 in 2026, 4 days earlier than the 1991–2020 average (Mar 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in The Dalles, OR?

Long-day onions: the longest day near 97058 is 15 h 41 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 97058 change?

Yes. The 2012 USDA map put 97058 in zone 8a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.