Sweet corn is an annual with yellow, white, and bi-colored ears. A long, frost-free growing season is necessary after planting. Here’s how to grow corn in your garden!
Sweet corn is wind-pollinated, so it should be planted in blocks, rather than in single rows. Early, mid, and late-season varieties extend the harvest. If you miss the optimal harvest time, corn will go downhill fast, as sugars convert to starch.
- Corn plants are picky about their soil. Work in aged manure or compost the fall before planting and let over winter in the soil.
- Starting corn seeds indoors is not recommended.
- Plant seeds outdoors two weeks after the last spring frost date.
- Make sure soil temperature is above 60 degrees F for successful germination. (Up to 65 for super sweet varieties.) In colder zones, the ground
- d from ears before freezing.
- can be warmed by a black plastic cover if necessary. Plant seeds through holes.
- Plant seeds 1 inch deep and 4 to 6 inches apart. Rows 30 to 36 inches apart.
- For sufficient pollination, plan your plot right. Don’t plant two long rows, rather, plant corn blocks of at least four rows.
- You may choose to fertilize at planting time corn is meant to grow rapidly. If you are confident that the soil is adequate, this can be skipped.
- Water well at planting time.
- When your plants are 3 to 4 inches tall, thin them so they are 8 to 12 inches apart.
- Be careful not to damage the roots when weeding.
- Soil must be well drained and able to keep consistent moisture.
- In dry conditions, be sure to keep corn well watered due to its shallow roots. Water at a rate of 5 gallons per sq yard. Mulch helps reduce evaporation.
- Harvest when tassels begin to turn brown and cobs start to swell. Kernels should be full and milky.
- Pull ears downward and twist to take off the stalk.
- Sweet corn varieties lose their sweetness soon after harvesting.
- Prepare for eating or preserving immediately after picking.
- Sweet corn freezes well, especially if remove
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