When to plant Arugula in Idaho, United States
Growing Arugula in Idaho
Days suitable for growing Arugula in Idaho
On average Arugula needs from 21 to 40 days to mature and produce harvest.
It could prove difficult to start growing Arugula in Idaho, when planting directly into soil, due to short growing period suitable for growing Arugula.
In order to have a chance of getting any harvest, all available season extention methods should be utilised.
Start seeds indoors
September 19 is on average first day in Idaho that has required temperatures for young Arugula seedlings to grow, without worrying about cold damage.
Seeds can be started indoors beween August 29 and September 10, this way they will be ready just in time for transplanting on September 19.
Seedlings started after September 10 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 75°F, which is in top of tolerable range for Arugula, consider using additional shading to prevent heat shock.
| Total frost free days | 142 |
| Last frost expected date | May 11 |
| First frost expected date | September 30 |
| Dates with ideal conditions | |
| Dates with suitable conditions | May 14 to May 22 (9 days) May 26 to May 31 (6 days) June 07 to June 11 (5 days) June 15 June 19 to June 21 (3 days) September 19 to October 01 (13 days) October 03 to October 09 (7 days) |
| Total days ideal for growing Arugula in Idaho | 0 |
| Total days suitable for growing Arugula in Idaho | 44 |
| Days needed for Arugula to mature and produce harvest | 21 - 40 |
| Seed can be planted directly into soil | no |
| Seed has to be started indoors | yes |
Notable temperature facts for growing Arugula in Idaho
Table with days suitable to grow vegetables in Idaho
Tolerable temperature range for Arugula: 20°F to 75°F
| Week | Average temperature | Possible min and max temperature | Suitable for Arugula | |
|---|---|---|---|---|
| 1 | January 01 - January 03 | 16°F to 29°F | -6°F to 40°F | |
| 2 | January 04 - January 10 | 22°F to 34°F | 7°F to 40°F | TRUE |
| 3 | January 11 - January 17 | 21°F to 34°F | 5°F to 42°F | TRUE |
| 4 | January 18 - January 24 | 21°F to 33°F | 11°F to 40°F | TRUE |
| 5 | January 25 - January 31 | 19°F to 34°F | -3°F to 41°F | |
| 6 | February 01 - February 07 | 21°F to 35°F | 6°F to 45°F | TRUE |
| 7 | February 08 - February 14 | 19°F to 35°F | 9°F to 44°F | |
| 8 | February 15 - February 21 | 19°F to 34°F | 5°F to 45°F | |
| 9 | February 22 - February 28 | 17°F to 34°F | 3°F to 49°F | |
| 10 | March 01 - March 07 | 22°F to 41°F | 7°F to 55°F | TRUE |
| 11 | March 08 - March 14 | 23°F to 42°F | 9°F to 54°F | TRUE |
| 12 | March 15 - March 21 | 26°F to 47°F | 17°F to 56°F | TRUE |
| 13 | March 22 - March 28 | 29°F to 47°F | 20°F to 64°F | TRUE |
| 14 | March 29 - April 04 | 29°F to 48°F | 21°F to 63°F | TRUE |
| 15 | April 05 - April 11 | 31°F to 52°F | 20°F to 64°F | TRUE |
| 16 | April 12 - April 18 | 29°F to 49°F | 19°F to 64°F | TRUE |
| 17 | April 19 - April 25 | 34°F to 56°F | 23°F to 67°F | TRUE |
| 18 | April 26 - May 02 | 37°F to 61°F | 28°F to 78°F | TRUE |
| 19 | May 03 - May 09 | 38°F to 62°F | 30°F to 77°F | TRUE |
| 20 | May 10 - May 16 | 41°F to 66°F | 28°F to 76°F | TRUE |
| 21 | May 17 - May 23 | 43°F to 64°F | 34°F to 80°F | TRUE |
| 22 | May 24 - May 30 | 44°F to 67°F | 36°F to 85°F | TRUE |
| 23 | May 31 - June 06 | 50°F to 76°F | 39°F to 90°F | |
| 24 | June 07 - June 13 | 49°F to 73°F | 37°F to 90°F | TRUE |
| 25 | June 14 - June 20 | 50°F to 74°F | 38°F to 90°F | TRUE |
| 26 | June 21 - June 27 | 52°F to 79°F | 40°F to 92°F | |
| 27 | June 28 - July 04 | 56°F to 82°F | 45°F to 96°F | |
| 28 | July 05 - July 11 | 58°F to 85°F | 50°F to 95°F | |
| 29 | July 12 - July 18 | 61°F to 88°F | 53°F to 94°F | |
| 30 | July 19 - July 25 | 61°F to 89°F | 53°F to 95°F | |
| 31 | July 26 - August 01 | 63°F to 90°F | 57°F to 97°F | |
| 32 | August 02 - August 08 | 62°F to 87°F | 53°F to 96°F | |
| 33 | August 09 - August 15 | 59°F to 86°F | 52°F to 94°F | |
| 34 | August 16 - August 22 | 61°F to 87°F | 50°F to 96°F | |
| 35 | August 23 - August 29 | 57°F to 83°F | 50°F to 90°F | |
| 36 | August 30 - September 05 | 56°F to 83°F | 47°F to 95°F | |
| 37 | September 06 - September 12 | 53°F to 80°F | 41°F to 94°F | |
| 38 | September 13 - September 19 | 51°F to 76°F | 43°F to 87°F | |
| 39 | September 20 - September 26 | 47°F to 71°F | 39°F to 81°F | TRUE |
| 40 | September 27 - October 03 | 43°F to 66°F | 30°F to 84°F | TRUE |
| 41 | October 04 - October 10 | 43°F to 67°F | 24°F to 78°F | TRUE |
| 42 | October 11 - October 17 | 38°F to 60°F | 25°F to 72°F | TRUE |
| 43 | October 18 - October 24 | 39°F to 58°F | 25°F to 72°F | TRUE |
| 44 | October 25 - October 31 | 29°F to 46°F | 12°F to 60°F | TRUE |
| 45 | November 01 - November 07 | 33°F to 51°F | 20°F to 63°F | TRUE |
| 46 | November 08 - November 14 | 27°F to 43°F | 13°F to 59°F | TRUE |
| 47 | November 15 - November 21 | 27°F to 43°F | 9°F to 57°F | TRUE |
| 48 | November 22 - November 28 | 23°F to 38°F | 12°F to 51°F | TRUE |
| 49 | November 29 - December 05 | 22°F to 37°F | 6°F to 52°F | TRUE |
| 50 | December 06 - December 12 | 23°F to 36°F | 10°F to 46°F | TRUE |
| 51 | December 13 - December 19 | 18°F to 31°F | 4°F to 42°F | |
| 52 | December 20 - December 26 | 21°F to 34°F | -6°F to 46°F | TRUE |
| 53 | December 27 - December 31 | 18°F to 31°F | 3°F to 42°F |
Days with suitable temperature for growing Arugula in Idaho
For more precise weather statisctics and planting information, please select a County in Idaho.
Ada County
Adams County
Bannock County
Bear Lake County
Benewah County
Bingham County
Blaine County
Boise County
Bonner County
Bonneville County
Boundary County
Butte County
Camas County
Canyon County
Caribou County
Cassia County
Clark County
Clearwater County
Custer County
Elmore County
Franklin County
Fremont County
Gem County
Gooding County
Idaho County
Jefferson County
Jerome County
Kootenai County
Latah County
Lemhi County
Lewis County
Lincoln County
Madison County
Minidoka County
Nez Perce County
Oneida County
Owyhee County
Payette County
Power County
Shoshone County
Teton County
Twin Falls County
Valley County
Washington 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
