Last frost date in Bend, OR
The average last frost in Bend is June 6. By June 22 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about September 20, which leaves 105 frost-free days. An early freeze before September 3 happens one year in ten.
- Safe after (10% risk)
- Jun 22
- Average first frost
- Sep 20
- Frost-free season
- 105 days
- Hard freeze (28°F) ends
- May 11
Frost likely Thu night, low 29°F
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2229°frost
- FriOct 2329°frost
- SatOct 2435°possible frost
- SunOct 2533°possible frost
- MonOct 2632°frost
- TueOct 2733°possible frost
Planting calendar for Bend
Windows count forward or back from the average frost dates above. Click a crop for dates across Oregon.
TomatoesJun 13–Jun 27
PumpkinsJun 20–Jul 4
SunflowersJun 6–Jun 27
CucumbersJun 20–Jun 27
CornJun 13–Jun 27
Sweet potatoesJun 27–Jul 11
WatermelonJun 20–Jul 4
Green beansJun 13–Jul 4
ZucchiniJun 13–Jun 27
OkraJun 27–Jul 11
PeppersJun 20–Jul 4
BasilJun 13–Jun 27
Butternut squashJun 13–Jun 27
CantaloupeJun 20–Jul 4
EggplantJun 20–Jul 4
PotatoesMay 9–May 23
OnionsApr 25–May 16
CarrotsMay 16–Jun 20
LettuceMay 23–Jun 13
BroccoliMay 9–May 23
BeetsMay 9–Jun 20
PeasApr 25–May 9
CabbageMay 9–May 23
RadishesMay 2–Jun 13
Brussels sproutsMay 23–Jun 6
SpinachApr 25–May 16
CilantroMay 23–Jun 13
KaleMay 9–May 23
Collard greensMay 9–May 23
TurnipsMay 9–May 23
DillJun 6–Jun 20
CeleryJun 13–Jun 20
CauliflowerMay 23–Jun 6
LeeksMay 23–Jun 6
Swiss chardMay 23–Jun 20
ParsleyMay 23–Jun 13
Tulip bulbsSep 6–Oct 11
GarlicAug 30–Oct 4
Daffodil bulbsAug 23–Oct 4
StrawberriesMay 9–May 23
AsparagusMay 9–May 23The frost-free season here is short for pumpkins, sunflowers, corn, sweet potatoes, watermelon, butternut squash. Start them indoors and look for early varieties.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | May 17 | Jun 6 | Jun 22 | Sep 3 | Sep 20 | Oct 5 |
| Hard freeze, 28°F | Apr 25 | May 11 | Jun 4 | Sep 18 | Oct 4 | Oct 21 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Bend (USC00350694) sits 1.1 miles from the center of Bend at 3,660 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Bend, OR?
The average last frost date in Bend is June 6, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after June 22.
When is the first frost in Bend?
The first frost in fall usually comes around September 20. One year in ten it arrives before September 3.
How long is the growing season in Bend?
About 105 days between the average last and first frost.
When should I plant tomatoes in Bend?
Plant tomato seedlings outside from June 13 to June 27. Start seeds indoors six to eight weeks earlier.
Nearby in Oregon
- RedmondJun 9
- SpringfieldApr 11
- LebanonMar 14
- EugeneApr 11
- AlbanyApr 17
- SalemApr 3
- CorvallisApr 17
- HayesvilleApr 3
- KeizerApr 3
- WoodburnMar 16
- Oregon CityMar 18
- West LinnMar 18