When to plant Radish in Iroquois County, Illinois, United States
Radish can be planted after April 27, when air temperature is consistently in a range between 40°F and 80°F and soil temperature is above 45°F.
Growing Radish in Iroquois County
Days suitable for growing Radish in Iroquois County, Illinois
Radish needs on average between 28 and 60 days to mature and produce harvest.
Iroquois County has 2 distinct seasons suitable for growing Radish
April 27 to June 17
This Radish growing season in Iroquois County is quite short, with only 52 days suitable for growth so it is really important to time your planting activities, and choose varieties with shorter time to harvest requirements.
September 04 to October 30
This Radish growing season in Iroquois County is quite short, with only 57 days suitable for growth so it is really important to time your planting activities, and choose varieties with shorter time to harvest requirements.
Planting Radish in Iroquois County before April 27 without any additional protection is not advised because cold streaks can damage or kill off young plant.
Growing season extention
In order to maximize chances for a good harvest of Radish in Iroquois County, some extra steps can be taken to extend growing season.
Start seeds indoors
When starting seeds indoors, it is possible to guarantee best possible conditions for young seedlings. Consistent temperature range, adequate watering and ample light (natural, supplemented with artifitial grow lights) will ensure you have strong and healthy seedlings just in time for transplanting into soil.
It takes 21 days on average for Radish to sprout, and grow big enough to be ready for transplanting.
Iroquois County has 2 distinct seasons for growing Radish
In order to get plants ready for April 27 seeds should be started indoors bwetween April 06 and April 18
Seeds started after April 18 are not likely to mature and produce harvest.
This Radish growing season in Iroquois County is quite short, with only 52 days suitable for growth so it is really important to time your planting activities, and choose varieties with shorter time to harvest requirements.
In order to get plants ready for September 04 seeds should be started indoors bwetween August 14 and August 31
Seeds started after August 31 are not likely to mature and produce harvest.
This Radish growing season in Iroquois County is quite short, with only 57 days suitable for growth so it is really important to time your planting activities, and choose varieties with shorter time to harvest requirements.
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 80°F, which is in top of tolerable range for Radish, consider using additional shading to prevent heat shock.
| Total frost free days | 174 |
| Last frost expected date | May 10 |
| First frost expected date | October 31 |
| Dates with ideal conditions | May 19 to May 20 (2 days) May 23 May 28 to May 29 (2 days) September 25 to September 28 (4 days) October 02 |
| Dates with suitable conditions | April 04 to April 09 (6 days) April 11 to April 13 (3 days) April 20 April 22 to April 25 (4 days) April 27 to June 17 (52 days) June 22 to June 23 (2 days) June 25 June 27 July 02 July 08 July 16 to July 17 (2 days) July 31 to August 02 (3 days) August 06 to August 07 (2 days) August 09 August 14 to August 15 (2 days) August 17 August 31 September 04 to October 30 (57 days) November 05 to November 07 (3 days) November 09 to November 11 (3 days) |
| Total days ideal for growing Radish in Iroquois County | 10 |
| Total days suitable for growing Radish in Iroquois County | 147 |
| Days needed for Radish to mature and produce harvest | 28 - 60 |
| Seed can be planted directly into soil | yes |
Notable temperature facts for growing Radish in Iroquois County, Illinois
Table with days suitable to grow vegetables in Iroquois County, Illinois
Tolerable temperature range for Radish: 40°F to 80°F
| Week | Average temperature | Possible min and max temperature | Suitable for Radish | |
|---|---|---|---|---|
| 1 | January 01 - January 03 | 30°F to 42°F | 8°F to 62°F | |
| 2 | January 04 - January 10 | 26°F to 39°F | 3°F to 55°F | |
| 3 | January 11 - January 17 | 27°F to 38°F | 11°F to 56°F | |
| 4 | January 18 - January 24 | 21°F to 34°F | -6°F to 46°F | |
| 5 | January 25 - January 31 | 16°F to 30°F | -20°F to 41°F | |
| 6 | February 01 - February 07 | 21°F to 37°F | -8°F to 60°F | |
| 7 | February 08 - February 14 | 18°F to 33°F | -7°F to 53°F | |
| 8 | February 15 - February 21 | 19°F to 37°F | -5°F to 57°F | |
| 9 | February 22 - February 28 | 27°F to 43°F | 11°F to 59°F | |
| 10 | March 01 - March 07 | 27°F to 48°F | 1°F to 68°F | |
| 11 | March 08 - March 14 | 33°F to 50°F | 12°F to 66°F | |
| 12 | March 15 - March 21 | 33°F to 51°F | 15°F to 69°F | |
| 13 | March 22 - March 28 | 36°F to 53°F | 22°F to 68°F | |
| 14 | March 29 - April 04 | 37°F to 57°F | 23°F to 74°F | |
| 15 | April 05 - April 11 | 43°F to 63°F | 30°F to 75°F | TRUE |
| 16 | April 12 - April 18 | 40°F to 59°F | 26°F to 76°F | TRUE |
| 17 | April 19 - April 25 | 43°F to 61°F | 27°F to 79°F | TRUE |
| 18 | April 26 - May 02 | 45°F to 63°F | 32°F to 79°F | TRUE |
| 19 | May 03 - May 09 | 47°F to 66°F | 34°F to 79°F | TRUE |
| 20 | May 10 - May 16 | 49°F to 68°F | 28°F to 84°F | TRUE |
| 21 | May 17 - May 23 | 56°F to 73°F | 44°F to 83°F | TRUE |
| 22 | May 24 - May 30 | 58°F to 76°F | 40°F to 85°F | TRUE |
| 23 | May 31 - June 06 | 59°F to 78°F | 49°F to 88°F | TRUE |
| 24 | June 07 - June 13 | 60°F to 77°F | 49°F to 88°F | TRUE |
| 25 | June 14 - June 20 | 60°F to 80°F | 50°F to 91°F | TRUE |
| 26 | June 21 - June 27 | 64°F to 81°F | 51°F to 91°F | |
| 27 | June 28 - July 04 | 66°F to 82°F | 52°F to 88°F | |
| 28 | July 05 - July 11 | 66°F to 82°F | 57°F to 93°F | |
| 29 | July 12 - July 18 | 65°F to 80°F | 57°F to 86°F | TRUE |
| 30 | July 19 - July 25 | 66°F to 82°F | 56°F to 90°F | |
| 31 | July 26 - August 01 | 65°F to 82°F | 58°F to 89°F | |
| 32 | August 02 - August 08 | 64°F to 80°F | 55°F to 88°F | TRUE |
| 33 | August 09 - August 15 | 65°F to 80°F | 56°F to 88°F | TRUE |
| 34 | August 16 - August 22 | 64°F to 81°F | 54°F to 88°F | |
| 35 | August 23 - August 29 | 66°F to 83°F | 56°F to 91°F | |
| 36 | August 30 - September 05 | 62°F to 78°F | 52°F to 85°F | TRUE |
| 37 | September 06 - September 12 | 62°F to 77°F | 51°F to 86°F | TRUE |
| 38 | September 13 - September 19 | 60°F to 77°F | 49°F to 85°F | TRUE |
| 39 | September 20 - September 26 | 57°F to 74°F | 45°F to 88°F | TRUE |
| 40 | September 27 - October 03 | 56°F to 72°F | 40°F to 85°F | TRUE |
| 41 | October 04 - October 10 | 51°F to 68°F | 34°F to 80°F | TRUE |
| 42 | October 11 - October 17 | 48°F to 64°F | 36°F to 79°F | TRUE |
| 43 | October 18 - October 24 | 46°F to 63°F | 33°F to 77°F | TRUE |
| 44 | October 25 - October 31 | 43°F to 54°F | 28°F to 71°F | TRUE |
| 45 | November 01 - November 07 | 39°F to 57°F | 25°F to 71°F | |
| 46 | November 08 - November 14 | 37°F to 53°F | 11°F to 73°F | |
| 47 | November 15 - November 21 | 33°F to 48°F | 17°F to 63°F | |
| 48 | November 22 - November 28 | 32°F to 46°F | 16°F to 57°F | |
| 49 | November 29 - December 05 | 31°F to 46°F | 20°F to 58°F | |
| 50 | December 06 - December 12 | 31°F to 45°F | 16°F to 60°F | |
| 51 | December 13 - December 19 | 29°F to 40°F | 16°F to 62°F | |
| 52 | December 20 - December 26 | 28°F to 44°F | -7°F to 62°F | |
| 53 | December 27 - December 31 | 31°F to 45°F | 12°F to 59°F |
Days with suitable temperature for growing Radish in Iroquois County, Illinois
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
