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The first thing to remember when planting sweet corn is that it is a warm weather crop. In the right conditions — with plenty of sun, adequate moisture, and good fertilization — your corn will grow faster and taste all the more delicious at harvest time.
TGF-Mirai® Yellow Sweet Corn Seed will produce a 7 ½” ear with 16 rows in an average of 76 days (depending on weather and soil conditions).
TGF-Mirai® Bicolor Sweet Corn Seed will produce an 8” ear with 16 rows in an average of 76 days (depending on weather and soil conditions).
TGF-Mirai® White Sweet Corn Seed will produce an 8” ear with 16-18 rows in an average of 76 days (depending on weather and soil conditions).
Plant TGF Mirai® Sweet Corn seed in a well prepared seedbed when the soil temperature is above 55° and there is no danger of frost. If you would like to have more than one crop of sweet corn, add a second, third, and possibly fourth planting. When the planted corn begins to peak out of the soil then it is time to plant the next planting.
It’s better to plant the corn in a series of shorter rows, forming a rectangular plot, than one long row.Planting shorter rows will improve pollination and the quality of the corn ears. Corn contains male flowers (the tassels at the top of the stalks), which produce pollen that is blown by wind and falls on to the silk of the female flowers (the ears). In a rectangular plot, the pollen is more likely to reach the silks and less likely to blow away. Rows should be approximately 30 inches apart and seeds spaced about 8 inches in the row. Plant the seed to a shallow depth, no deeper than 1-1/4 inches. Isolate TGF-Mirai® from other corn varieties to prevent cross-pollination, which can change the sweetness and quality of the harvested ears.
Loose soils with neutral pH (5.5 to 7.0) are best. Corn is a heavy feeder, especially of nitrogen. Push the limits of the university recommended fertility in your area. Compost is an excellent addition to your soil. Illinois residents can get more information on fertilizing at the University of Illinois “Watch Your Garden Grow” corn page. In other states, check your local extension office website.
Depending on rainfall levels in your area, it may be necessary to water. Sweet corn does best with at least an inch of moisture per week. Water the crop during dry spells, or if leaves look wilted or begin to curl, especially after the cobs have appeared and begin to grow. Keep weeds from taking over in the rows between the corn plants; weeds will rob moisture and nutrients from the soil, and attract pests.
At harvest, ears should be allowed to mature fully for maximum flavor and sweetness, which is on average 21 to 24 days after silking. Harvest maturity is the most critical step for TGF-Mirai® Sweet Corn. The key to an overall great eating experience is picking it just right. We recommend 0 or +2 on the the maturity chart —(shown lower right).
See our Recipes page for ideas on how to prepare TGF-Mirai® Sweet Corn. Enjoy!
Download our TGF-Mirai® Sweet Corn Planting Tips (PDF).