When to plant in White City, OR
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for White City, Oregon — all computed from White City's nearest NOAA weather station.
Zone 8b means many perennials and even some tender shrubs overwinter in White City, while your frost dates still decide when annuals go out.
The average last spring frost in White City is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MEDFORD ROGUE VLY AP · 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 White City’s own odds, recorded at MEDFORD ROGUE VLY AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 17 | Apr 30 | Apr 11 | Oct 3 | Oct 16 | Oct 29 |
| 32°F | Apr 30 | Apr 8 | Mar 17 | Oct 14 | Oct 29 | Nov 16 |
| 28°F | Apr 3 | Mar 10 | Feb 16 | Oct 26 | Nov 13 | Dec 9 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in White City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 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.
White City planting FAQ
When is the last spring frost in White City, OR?
Plan for the last spring frost in White City around April 8 (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 White City, OR?
In White City, the first 32°F freeze of fall lands around October 29 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is White City in?
White City is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in White City?
There are roughly 204 frost-free days in White City (a moderate growing season), running from the average last frost around April 8 to the first fall frost near October 29.
When should I plant tomatoes in White City?
In White City, start tomato seeds indoors around February 11–February 25, then transplant seedlings outdoors around April 15 once the danger of frost has passed.
Never miss a window in White City
An email when it’s time to start seeds, transplant, and sow — timed to White City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Central Point · 9 km
- Medford · 11 km
- Ashland · 29 km
- Grants Pass · 41 km
- Klamath Falls · 90 km
- Altamont · 95 km
- Roseburg · 98 km
- Cottage Grove · 153 km
Frost dates recorded at MEDFORD ROGUE VLY AP, 7 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 White City, OR — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024225. Retrieved from https://blissgarden.com/oregon/white-city.