When to plant in Newport, OR
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Newport, Oregon — is derived from the closest NOAA station with complete climate normals.
A generous ~300-day season lets Newport gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9b is warm enough that Newport can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
NEWPORT 1 SE · 1991–2020The 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 Newport’s own odds, recorded at NEWPORT 1 SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 5 | Mar 5 | Oct 28 | Nov 21 | Dec 20 |
| 32°F | Mar 23 | Feb 19 | Dec 28 | Nov 14 | Dec 16 | Feb 14 |
| 28°F | Feb 23 | Jan 20 | Dec 9 | Dec 1 | Dec 30 | Feb 16 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Newport, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 7 km · complete 32°F normalsWhen 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.
Newport planting FAQ
When is the last spring frost in Newport, OR?
On average, the last spring frost in Newport is around February 19 (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 Newport, OR?
The first fall frost in Newport typically arrives around December 16 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Newport in?
Newport is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Newport?
There are roughly 300 frost-free days in Newport (a long growing season), running from the average last frost around February 19 to the first fall frost near December 16.
When should I plant tomatoes in Newport?
In Newport, start tomato seeds indoors around December 25–January 8, then transplant seedlings outdoors around February 26 once the danger of frost has passed.
Never miss a window in Newport
An email when it’s time to start seeds, transplant, and sow — timed to Newport’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at NEWPORT 1 SE, 0 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Newport, OR — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00356033. Retrieved from https://blissgarden.com/oregon/newport.