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

Planting zone for 97753 — Powell Butte, OR

ZIP code 97753 (Powell Butte, Crook County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is June 9 and the first fall frost September 14.

Where ZIP 97753 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 9
First frostSep 14
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 Powell Butte, 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 Powell Butte, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 9median — 50% chance of a later frost
Safe for tender plantsJune 26only 10% chance of frost after
First fall frostSeptember 14median — 10% chance by Sep 1
Growing season98 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 14 and returns around September 30.

From the NOAA station Redmond Roberts Field, OR — 9 miles away, elevation 3,045 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 97753

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 28 – May 12
SpinachSow outdoors · Apr 28 – May 19
Broccoli, cabbageStart indoors · Mar 31 – Apr 14
Broccoli, cabbageTransplant · May 19 – Jun 2
Onion setsPlant outdoors · May 12 – May 26
PotatoesPlant outdoors · May 19 – Jun 2
LettuceSow outdoors · May 12 – May 26
Carrots, beetsSow outdoors · May 19 – Jun 2
TomatoesStart indoors · Apr 14 – Apr 28
TomatoesTransplant · Jun 16 – Jun 30
Peppers, eggplantStart indoors · Mar 31 – Apr 14
Peppers, eggplantTransplant · Jun 23 – Jul 7
BeansSow outdoors · Jun 16 – Jun 30
Sweet cornSow outdoors · Jun 16 – Jun 30
Cucumbers, squashSow outdoors · Jun 16 – Jun 30
Fall lettuce, spinachSow outdoors · Jul 20 – Aug 3
GarlicPlant cloves · Aug 31 – Oct 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 9) and first fall frost (Sep 14) 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 97753 came on Mar 11 — 20 days earlier than the 1991–2020 average (Mar 31).

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 Powell Butte, OR

The soil mapped at the center of ZIP 97753 is Ginserly — cobbly ashy loam, well drained.

TextureCobbly ashy loama good balance for most vegetables
pH6.8neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Ginserly cobbly ashy loam, 30 to 65 percent north 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 97753; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Powell Butte, OR

Summer high88 °Faverage high, July
Winter low23 °Faverage low, December
Hot days32days a year at 90 °F or more
Freezing nights181nights a year at 32 °F or less
Growing degree days1,969base 50 °F — the season’s usable heat
Longest day15 h 31 mindaylight on June 21
Shortest day8 h 52 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation8.5 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 44 °F, low 25 °F 44°25° JanFebruary: average high 48 °F, low 25 °F 48°25° FebMarch: average high 55 °F, low 28 °F 55°28° MarApril: average high 60 °F, low 31 °F 60°31° AprMay: average high 69 °F, low 38 °F 69°38° MayJune: average high 77 °F, low 43 °F 77°43° JunJuly: average high 88 °F, low 49 °F 88°49° JulAugust: average high 87 °F, low 47 °F 87°47° AugSeptember: average high 79 °F, low 41 °F 79°41° SepOctober: average high 65 °F, low 33 °F 65°33° OctNovember: average high 51 °F, low 28 °F 51°28° NovDecember: average high 42 °F, low 23 °F 42°23° Dec

Precipitation by month inches

0″1″2″January: 0.98 in precipitation 1.0 JanFebruary: 0.66 in precipitation 0.7 FebMarch: 0.58 in precipitation 0.6 MarApril: 0.71 in precipitation 0.7 AprMay: 1.20 in precipitation 1.2 MayJune: 0.64 in precipitation 0.6 JunJuly: 0.40 in precipitation 0.4 JulAugust: 0.46 in precipitation 0.5 AugSeptember: 0.37 in precipitation 0.4 SepOctober: 0.68 in precipitation 0.7 OctNovember: 0.81 in precipitation 0.8 NovDecember: 0.97 in precipitation 1.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Redmond Roberts Field, OR (9 mi away); precipitation: Redmond Roberts Field, OR (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

977566b
Redmond, OR · 12 mi
977016b
Bend, OR · 14 mi
977606b
Terrebonne, OR · 18 mi
977026b
Bend, OR · 19 mi
977086b
Bend, OR · 19 mi
977036b
Bend, OR · 20 mi
977546b
Prineville, OR · 24 mi
977347a
Culver, OR · 29 mi

Oregon planting zones →

Questions about 97753

What planting zone is ZIP code 97753?

ZIP code 97753 (Powell Butte, 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 Powell Butte, OR?

The median last spring frost (32 °F) near 97753 is June 9; after June 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Redmond Roberts Field station.

When is the first frost in Powell Butte, OR?

The median first fall frost near 97753 is September 14, giving a median frost-free growing season of 98 days.

When should I plant tomatoes in 97753?

Start tomato seeds indoors around Apr 14 – Apr 28 and set transplants outside around Jun 16 – Jun 30, one to three weeks after the median last frost.

How much rain and snow does 97753 get?

About 8.5 inches of precipitation a year (NOAA 1991–2020 normals, Redmond Roberts Field station).

How hot do summers get in Powell Butte, OR?

The average high peaks at 88 °F in July, with about 32 days a year at 90 °F or more.

What kind of soil does 97753 have?

The USDA soil survey maps Ginserly at the center of ZIP 97753: cobbly ashy loam, well drained, pH about 6.8 (neutral).

Did spring come early in Powell Butte, OR in 2026?

Spring leaf-out near 97753 came on Mar 11 in 2026, 20 days earlier than the 1991–2020 average (Mar 31), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Powell Butte, OR?

Long-day onions: the longest day near 97753 is 15 h 31 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).