A big city usually has a population of at least 200,000 and you can often fly into a major airport. If you need to book a flight, search for the nearest airport to Prague, Czech Republic. 1  119 km to Dresden, Germany.  139 km to Chemnitz, Germany.
If sweet corn seeds are placed in soil that is cool and wet, the seeds have a greatly reduced chance of germination. Any that do sprout will almost certainly exhibit stunted growth. This heat-loving plant prefers air temperatures between 70 and 95 degrees Fahrenheit.f sweet corn seeds are placed in soil that is cool and wet, the seeds have a greatly reduced chance of germination. Any that do sprout will almost certainly exhibit stunted growth. This heat-loving plant prefers air temperatures between 70 and 95 degrees Fahrenheit.
Related: When to plant corn in central Midwest. That's kind of a magic number, 50 degrees, for planting corn, observes Jim Fawcett, an Iowa State University Extension field agronomist in eastern Iowa. That's when corn will germinate, with a soil temperature of 50 degrees or higher.The reason for not planting before that is the seed actually will take up water with soil temperatures cooler than 50 degrees.The seed will swell, but it doesn't germinate.hat's kind of a magic number, 50 degrees, for planting corn, observes Jim Fawcett, an Iowa State University Extension field agronomist in eastern Iowa. That's when corn will germinate, with a soil temperature of 50 degrees or higher.