Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to grow and harvest glass gem corn [title] Plant the corn in the spring. [step] You want to wait until you're into the spring season to plant your corn. Corn is very susceptible to frost.

Ending1: The corn starts gaining height in late spring but doesn't produce fruit since spring is its dormant season. [title] Wait to seed and yield corn right before the first frost. Ending2: However, you can plant corn in mid-spring if you prefer. Plant enough corn for several acres, or until the corn's roots grow into the ground. Ending3: The soil should be at least 60 degrees fahrenheit (16 degrees celsius) before you plant your corn. [substeps] To measure the temperature of the soil, buy a soil thermometer at a local greenhouse or online. Ending4: As fall arrives, crop the corn until a frost sets in. During this time, you can stop irrigation to ensure the corn stays water-free for the entire growing season.

Answer format: ending1/ending2/ending3/ending4