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When to plant in North Bend, OR

USDA Zone 9a

North Bend, Oregon frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

North Bend enjoys a long ~291-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9a is warm enough that North Bend can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · NORTH BEND RGNL AP · 1.0 km
Last spring frost
February 21
50% chance · 32°F
First fall frost
December 9
50% chance · 32°F
Growing season
291 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for North BendA year-band showing 32°F frost risk from January to December for North Bend: last spring frost around February 21, first fall frost around December 9, about 291 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in North Bend is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

NORTH BEND RGNL AP · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are North Bend’s own odds, recorded at NORTH BEND RGNL AP.

Frost-probability curves for North BendProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 21 and the first fall frost around December 9, giving about 291 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 1Apr 2Mar 1Oct 24Nov 15Dec 11
32°FMar 25Feb 21Dec 31Nov 12Dec 9Jan 28
28°FFeb 22Jan 4Dec 3Nov 25Dec 22Feb 15

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19

Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.

Add the next planting windows to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in North Bend, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 25 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

NORTH BEND RGNL AP
Primary
1 km · 5 m elevation
SPRING
Feb 21
FALL
Dec 9
COOS BAY 8 SW
17 km · 4 m elevation
SPRING
Apr 15
FALL
Oct 31
COQUILLE CITY
25 km · 7 m elevation
SPRING
Mar 28
FALL
Nov 6

North Bend planting FAQ

When is the last spring frost in North Bend, OR?

Plan for the last spring frost in North Bend around February 21 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in North Bend, OR?

The first fall frost in North Bend typically arrives around December 9 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is North Bend in?

North Bend is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.

How long is the growing season in North Bend?

There are roughly 291 frost-free days in North Bend (a long growing season), running from the average last frost around February 21 to the first fall frost near December 9.

When should I plant tomatoes in North Bend?

In North Bend, start tomato seeds indoors around December 27–January 10, then transplant seedlings outdoors around February 28 once the danger of frost has passed.

Planting reminders

Never miss a window in North Bend

An email when it’s time to start seeds, transplant, and sow — timed to North Bend’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at NORTH BEND RGNL AP, 1 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in North Bend, OR — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024284. Retrieved from https://blissgarden.com/oregon/north-bend.
When to Plant in North Bend, OR — Frost Dates & Zone 9a — BlissGarden