How long does it take for a corn seed to germinate?

At 55-60° F corn will take 10-14 days to emerge. At 65-70° F corn only takes five to eight days to emerge (Meyer). How long a seed can last in the soil and remain viable depends on temperature, moisture, and pests. Oxygen is necessary as respiration increases during the germination process.
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How long does it take corn to come out of the ground?

If the soil temperature is averaging 50 to 55 F (10-12.8 C) at the time of planting, corn may take three weeks to emerge. Temperatures averaging 60 F (15.6 C), may have emergence in 10 days to 12 days.
  • How long does it take for a corn seed to sprout?

    Gardeners usually plant corn (Zea mays) 10 days to three weeks after the last spring frost, when the soil temperature begins to warm. If corn is planted when the soil temperature is 60 F, then corn sprouts typically break the soil surface in 10 days to two weeks.
  • How tall is a corn plant?

    When the entire plant is chopped and fermented to produce silage, a tall stalk is desired. The height may reach 14 to 16 feet. Field corn plants raised for the production of corn ears usually are somewhat shorter, with stalks up to 12 feet tall.
  • What is the spacing for sweet corn?

    A good rule of thumb is to plant seed two to three times deeper than their average diameter. In areas with unlimited space, sweet corn is usually spaced 10-15 inches in the row, with 36 to 42 inches between rows.

Updated: 26th September 2018

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