When to plant Kohlrabi in Calhoun County, Iowa, United States

Kohlrabi can be planted after May 05, when air temperature is consistently in a range between 45°F and 84°F and soil temperature is above 45°F.

Growing Kohlrabi in Calhoun County

Kohlrabi needs on average between 50 and 70 days to mature and produce harvest.

Calhoun County has 2 distinct seasons suitable for growing Kohlrabi

• May 05 to July 25

  Kohlrabi needs on average between 50 and 70 days to mature and produce harvest. With 82 suitable for growht, you can expect good harvest without too much effort if all planting activities are done in timely manner.

• August 25 to October 13

  This Kohlrabi growing season in Calhoun County is quite short, with only 50 days suitable for growth so it is really important to time your planting activities, and choose varieties with shorter time to harvest requirements.

Planting Kohlrabi in Calhoun County before May 05 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 Kohlrabi in Calhoun 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 42 days on average for Kohlrabi to sprout, and grow big enough to be ready for transplanting.

Calhoun County has 3 distinct seasons for growing Kohlrabi

• In order to get plants ready for May 05 seeds should be started indoors bwetween March 24 and May 16

  Seeds started after May 16 are not likely to mature and produce harvest.

  Kohlrabi needs on average between 50 and 70 days to mature and produce harvest. With 82 suitable for growth, you can expect good harvest without too much effort if all planting activities are done in timely manner.

• In order to get plants ready for July 29 seeds should be started indoors bwetween June 17 and July 03

  Seeds started after July 03 are not likely to mature and produce harvest.

  This Kohlrabi growing season in Calhoun County is quite short, with only 25 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 August 25 seeds should be started indoors bwetween July 14 and August 04

  Seeds started after August 04 are not likely to mature and produce harvest.

  This Kohlrabi growing season in Calhoun County is quite short, with only 50 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 84°F, which is in top of tolerable range for Kohlrabi , consider using additional shading to prevent heat shock.

Table with days suitable to grow vegetables in Calhoun County, Iowa