When to plant Tomato in Oregon, United States
Growing Tomato in Oregon
Days suitable for growing Tomato in Oregon
On average Tomato needs from 60 to 100 days to mature and produce harvest.
It could prove difficult to start growing Tomato in Oregon, when planting directly into soil, due to short growing period suitable for growing Tomato.
In order to have a chance of getting any harvest, all available season extention methods should be utilised.
Start seeds indoors
July 20 is on average first day in Oregon that has required temperatures for young Tomato seedlings to grow, without worrying about cold damage.
Seeds can be started indoors beween June 01 and June 23, this way they will be ready just in time for transplanting on July 20.
Seedlings started after June 23 might not have enough time to mature and produce harvest.
Use a cold frame
When using a cold frame in a beggining of growing season You can protect young plants from possible temperature drops, this way growing season can start up to 2 weeks earlier.
Use an additional shading
On days, when air temperatures are expected to raise above 96°F, which is in top of tolerable range for Tomato, consider using additional shading to prevent heat shock.
| Total frost free days | 189 |
| Last frost expected date | April 20 |
| First frost expected date | October 26 |
| Dates with ideal conditions | |
| Dates with suitable conditions | June 27 to June 28 (2 days) July 12 to July 13 (2 days) July 15 to July 17 (3 days) July 20 to August 22 (34 days) August 25 to August 27 (3 days) August 29 to August 30 (2 days) September 07 |
| Total days ideal for growing Tomato in Oregon | 0 |
| Total days suitable for growing Tomato in Oregon | 47 |
| Days needed for Tomato to mature and produce harvest | 60 - 100 |
| Seed can be planted directly into soil | no |
| Seed has to be started indoors | yes |
Notable temperature facts for growing Tomato in Oregon
Table with days suitable to grow vegetables in Oregon
Tolerable temperature range for Tomato: 55°F to 96°F
| Week | Average temperature | Possible min and max temperature | Suitable for Tomato | |
|---|---|---|---|---|
| 1 | January 01 - January 03 | 31°F to 42°F | 15°F to 52°F | |
| 2 | January 04 - January 10 | 34°F to 44°F | 26°F to 50°F | |
| 3 | January 11 - January 17 | 34°F to 45°F | 22°F to 53°F | |
| 4 | January 18 - January 24 | 33°F to 45°F | 26°F to 52°F | |
| 5 | January 25 - January 31 | 32°F to 46°F | 20°F to 55°F | |
| 6 | February 01 - February 07 | 32°F to 44°F | 21°F to 54°F | |
| 7 | February 08 - February 14 | 31°F to 45°F | 19°F to 58°F | |
| 8 | February 15 - February 21 | 31°F to 44°F | 22°F to 53°F | |
| 9 | February 22 - February 28 | 28°F to 43°F | 18°F to 56°F | |
| 10 | March 01 - March 07 | 31°F to 46°F | 19°F to 56°F | |
| 11 | March 08 - March 14 | 31°F to 47°F | 23°F to 56°F | |
| 12 | March 15 - March 21 | 33°F to 51°F | 24°F to 62°F | |
| 13 | March 22 - March 28 | 35°F to 52°F | 27°F to 63°F | |
| 14 | March 29 - April 04 | 36°F to 51°F | 28°F to 63°F | |
| 15 | April 05 - April 11 | 37°F to 53°F | 29°F to 69°F | |
| 16 | April 12 - April 18 | 36°F to 54°F | 27°F to 71°F | |
| 17 | April 19 - April 25 | 40°F to 58°F | 31°F to 70°F | |
| 18 | April 26 - May 02 | 42°F to 61°F | 34°F to 75°F | |
| 19 | May 03 - May 09 | 42°F to 62°F | 33°F to 75°F | |
| 20 | May 10 - May 16 | 46°F to 67°F | 34°F to 80°F | |
| 21 | May 17 - May 23 | 45°F to 62°F | 36°F to 78°F | |
| 22 | May 24 - May 30 | 47°F to 66°F | 40°F to 80°F | |
| 23 | May 31 - June 06 | 49°F to 71°F | 41°F to 85°F | |
| 24 | June 07 - June 13 | 50°F to 68°F | 41°F to 86°F | |
| 25 | June 14 - June 20 | 48°F to 68°F | 42°F to 83°F | |
| 26 | June 21 - June 27 | 53°F to 77°F | 43°F to 99°F | |
| 27 | June 28 - July 04 | 54°F to 77°F | 47°F to 100°F | |
| 28 | July 05 - July 11 | 54°F to 77°F | 49°F to 89°F | |
| 29 | July 12 - July 18 | 56°F to 80°F | 50°F to 88°F | TRUE |
| 30 | July 19 - July 25 | 56°F to 82°F | 49°F to 90°F | TRUE |
| 31 | July 26 - August 01 | 59°F to 85°F | 51°F to 93°F | TRUE |
| 32 | August 02 - August 08 | 58°F to 82°F | 49°F to 89°F | TRUE |
| 33 | August 09 - August 15 | 57°F to 82°F | 50°F to 96°F | TRUE |
| 34 | August 16 - August 22 | 58°F to 82°F | 50°F to 95°F | TRUE |
| 35 | August 23 - August 29 | 55°F to 80°F | 47°F to 90°F | |
| 36 | August 30 - September 05 | 55°F to 79°F | 46°F to 89°F | |
| 37 | September 06 - September 12 | 54°F to 79°F | 49°F to 89°F | |
| 38 | September 13 - September 19 | 51°F to 73°F | 44°F to 85°F | |
| 39 | September 20 - September 26 | 50°F to 69°F | 44°F to 80°F | |
| 40 | September 27 - October 03 | 47°F to 65°F | 36°F to 79°F | |
| 41 | October 04 - October 10 | 47°F to 68°F | 32°F to 79°F | |
| 42 | October 11 - October 17 | 45°F to 62°F | 34°F to 76°F | |
| 43 | October 18 - October 24 | 44°F to 60°F | 34°F to 73°F | |
| 44 | October 25 - October 31 | 38°F to 54°F | 28°F to 64°F | |
| 45 | November 01 - November 07 | 40°F to 54°F | 31°F to 64°F | |
| 46 | November 08 - November 14 | 36°F to 50°F | 27°F to 60°F | |
| 47 | November 15 - November 21 | 36°F to 50°F | 25°F to 59°F | |
| 48 | November 22 - November 28 | 33°F to 46°F | 24°F to 55°F | |
| 49 | November 29 - December 05 | 32°F to 45°F | 21°F to 59°F | |
| 50 | December 06 - December 12 | 35°F to 44°F | 26°F to 53°F | |
| 51 | December 13 - December 19 | 31°F to 42°F | 22°F to 49°F | |
| 52 | December 20 - December 26 | 33°F to 43°F | 19°F to 52°F | |
| 53 | December 27 - December 31 | 32°F to 42°F | 21°F to 51°F |
Days with suitable temperature for growing Tomato in Oregon
For more precise weather statisctics and planting information, please select a County in Oregon.
Baker County
Benton County
Clackamas County
Clatsop County
Columbia County
Coos County
Crook County
Curry County
Deschutes County
Douglas County
Gilliam County
Grant County
Harney County
Hood River County
Jackson County
Jefferson County
Josephine County
Klamath County
Lake County
Lane County
Lincoln County
Linn County
Malheur County
Marion County
Morrow County
Multnomah County
Polk County
Sherman County
Tillamook County
Umatilla County
Union County
Wallowa County
Wasco County
Washington County
Wheeler County
Yamhill County
All data is provided “as is” without warranty or any representation of accuracy, timeliness or completeness.
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Average daily temperatures were calculated using
