When to plant in Medford, OR
USDA Zone 8bMedford, 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, Medford supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Medford 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 Medford’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 Medford, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Medford planting FAQ
When is the last spring frost in Medford, OR?
Medford's average last spring frost falls near April 8 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Medford, OR?
In Medford, 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 Medford in?
Medford is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Medford?
Medford has about 204 frost-free days — a moderate growing season — between the average last spring frost (April 8) and first fall frost (October 29).
When should I plant tomatoes in Medford?
For Medford, sow tomatoes indoors about February 11–February 25 and move the seedlings out around April 15, after the last spring frost.
Never miss a window in Medford
An email when it’s time to start seeds, transplant, and sow — timed to Medford’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Central Point · 7 km
- White City · 11 km
- Ashland · 20 km
- Grants Pass · 41 km
- Klamath Falls · 89 km
- Altamont · 94 km
- Roseburg · 107 km
- Coos Bay · 162 km
Frost dates recorded at MEDFORD ROGUE VLY AP, 5 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 Medford, OR — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024225. Retrieved from https://blissgarden.com/oregon/medford.