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When to Plant Corn in Zone 5

Corn doesn't tolerate frost, so gardeners in U.S. Department of Agriculture Plant Hardiness Zone 5 must wait until the winter cold subsides before sowing corn seeds. This zone designation doesn't dictate date of last spring frost, which is the key threshold.

  1. Geography

    • USDA Plant Hardiness Zone stretches across parts of North American that endure average annual winter low temperatures in the minus 20 to minus 10 degree range. It generally spans a 200-mile wide band from Denver to Boston. Dates of the last spring frost vary across this zone.

    Time Frame

    • Corn is planted after the last spring frost, anytime from mid to late spring depending on latitude or elevation. Soil temperatures need to warm above 60 degrees for best germination. The warmer the soil and air, the better it is for growing corn. Typically, late April to mid-May meets these requirements.

    Tip

    • Consult the PlantMaps.com interactive gardening maps to find your USDA Zone 5 location in North America. Then click on the link to learn the expected last spring frost date. Sow corn seeds outdoors approximately five to 10 days after this date.

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Growing Corn
  1. When to Plant Cosmos Seeds in Zone 6
  2. When to Plant Green Beans in Zone 7
  3. When Do I Plant My Corn Crop?
  4. When to Plant Corn in Southern California
  5. When Do I Plant Corn in Indiana?
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  7. When to Plant Cosmos in California
  8. When to Plant Okra in Georgia
  9. When to Plant Sweet Corn in Missouri
  10. How to Plant Corn in Zone 7
  11. When to Plant Sweet Corn in Pennsylvania
  12. When to Plant Sweet Corn in Zone 8

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