When to plant in Santa Clara, OR
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Santa Clara, Oregon — all computed from Santa Clara's nearest NOAA weather station.
In zone 8b, Santa Clara 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 Santa Clara is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
EUGENE MAHLON SWEET 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 Santa Clara’s own odds, recorded at EUGENE MAHLON SWEET AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 8 | May 15 | Apr 24 | Sep 18 | Oct 7 | Oct 24 |
| 32°F | May 9 | Apr 11 | Mar 15 | Oct 6 | Oct 23 | Nov 13 |
| 28°F | Mar 30 | Mar 3 | Feb 2 | Oct 20 | Nov 11 | Dec 12 |
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 Santa Clara, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 36 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.
Santa Clara planting FAQ
When is the last spring frost in Santa Clara, OR?
On average, the last spring frost in Santa Clara is around April 11 (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 Santa Clara, OR?
The first fall frost in Santa Clara typically arrives around October 23 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Santa Clara in?
Santa Clara is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Santa Clara?
Santa Clara has about 195 frost-free days — a moderate growing season — between the average last spring frost (April 11) and first fall frost (October 23).
When should I plant tomatoes in Santa Clara?
For Santa Clara, sow tomatoes indoors about February 14–February 28 and move the seedlings out around April 18, after the last spring frost.
Never miss a window in Santa Clara
An email when it’s time to start seeds, transplant, and sow — timed to Santa Clara’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Eugene · 7 km
- Springfield · 14 km
- Cottage Grove · 36 km
- Sweet Home · 47 km
- Lebanon · 50 km
- Corvallis · 52 km
- Albany · 57 km
- Monmouth · 82 km
Frost dates recorded at EUGENE MAHLON SWEET 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 Santa Clara, OR — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024221. Retrieved from https://blissgarden.com/oregon/santa-clara.