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When to plant sweet corn in zone 3
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Sweet Corn in USDA zone 3
| Step | Dates |
|---|---|
| Direct sow outdoors | May 27 – Jun 17 |
| Expected first harvest | from Aug 15 |
Average zone 3 frost dates: last spring frost ≈ May 20, first fall frost ≈ Sep 15 (118 frost-free days). Local dates can vary by 2-3 weeks.
Plant in blocks (not single rows) for pollination, once soil is 60 °F+.
FAQ
When to plant sweet corn in zone 3?
Direct sow outdoors: May 27 – Jun 17; Expected first harvest: from Aug 15.
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