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When to plant in Dallas, OR

USDA Zone 8b

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

In zone 8b, Dallas supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · DALLAS 2 NE · 3.2 km
Last spring frost
April 16
50% chance · 32°F
First fall frost
November 1
50% chance · 32°F
Growing season
199 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for DallasA year-band showing 32°F frost risk from January to December for Dallas: last spring frost around April 16, first fall frost around November 1, about 199 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Dallas is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

DALLAS 2 NE · 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 Dallas’s own odds, recorded at DALLAS 2 NE.

Frost-probability curves for DallasProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 16 and the first fall frost around November 1, giving about 199 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 23May 6Apr 19Sep 29Oct 13Nov 1
32°FMay 5Apr 16Mar 21Oct 13Nov 1Nov 22
28°FApr 8Mar 7Feb 2Oct 31Nov 20Dec 15

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

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 12July 26
Fall sowin 7 days
Rutabaga
July 26August 9
Fall sowin 21 days
Broccoli
August 9August 23
Fall sowin 21 days
Cabbage
August 9August 23
Fall sowin 21 days
Carrot
August 9August 23
Fall sowin 21 days
Cauliflower
August 9August 23
Fall sowin 21 days
Napa Cabbage
August 9September 6

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

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

Nearby weather stations

3 within 21 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.

DALLAS 2 NE
Primary
3 km · 88 m elevation
SPRING
Apr 16
FALL
Nov 1
FALLS CITY 2 SSW
15 km · 210 m elevation
SPRING
Apr 18
FALL
Nov 7
LAUREL MTN
21 km · 1094 m elevation
SPRING
May 20
FALL
Oct 23

Dallas planting FAQ

When is the last spring frost in Dallas, OR?

On average, the last spring frost in Dallas is around April 16 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.

When is the first fall frost in Dallas, OR?

In Dallas, the first 32°F freeze of fall lands around November 1 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Dallas in?

Dallas is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Dallas?

Dallas has about 199 frost-free days — a moderate growing season — between the average last spring frost (April 16) and first fall frost (November 1).

When should I plant tomatoes in Dallas?

For Dallas, sow tomatoes indoors about February 19–March 5 and move the seedlings out around April 23, after the last spring frost.

Planting reminders

Never miss a window in Dallas

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

Nearby cities

8 within reach

Frost dates recorded at DALLAS 2 NE, 3 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 Dallas, OR — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00352112. Retrieved from https://blissgarden.com/oregon/dallas.
When to Plant in Dallas, OR — Frost Dates & Zone 8b — BlissGarden