When to plant in Ashland, OR
USDA Zone 8aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Ashland, Oregon — all computed from Ashland's nearest NOAA weather station.
Zone 8a means many perennials and even some tender shrubs overwinter in Ashland, while your frost dates still decide when annuals go out.
The average last spring frost in Ashland is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ASHLAND · 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 Ashland’s own odds, recorded at ASHLAND.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 17 | May 29 | May 12 | Sep 6 | Sep 23 | Oct 9 |
| 32°F | May 27 | May 6 | Apr 20 | Sep 21 | Oct 8 | Oct 26 |
| 28°F | May 4 | Apr 15 | Mar 27 | Oct 10 | Oct 26 | Nov 16 |
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 Ashland, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 26 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.
Ashland planting FAQ
When is the last spring frost in Ashland, OR?
On average, the last spring frost in Ashland is around May 6 (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 Ashland, OR?
Expect Ashland's first fall frost near October 8 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Ashland in?
Ashland is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Ashland?
There are roughly 155 frost-free days in Ashland (a moderate growing season), running from the average last frost around May 6 to the first fall frost near October 8.
When should I plant tomatoes in Ashland?
In Ashland, start tomato seeds indoors around March 11–March 25, then transplant seedlings outdoors around May 13 once the danger of frost has passed.
Never miss a window in Ashland
An email when it’s time to start seeds, transplant, and sow — timed to Ashland’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Medford · 20 km
- Central Point · 27 km
- White City · 29 km
- Grants Pass · 59 km
- Klamath Falls · 76 km
- Altamont · 80 km
- Roseburg · 127 km
- Shasta Lake · 171 km
Frost dates recorded at ASHLAND, 3 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 Ashland, OR — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00350304. Retrieved from https://blissgarden.com/oregon/ashland.