Botanical illustration of scallions

Field guide

When to plant scallions in USDA Zones 5–6

In USDA Zones 5–6, the planner’s broad outdoor planting window for scallions runs from April to May, with a second window from August to September. Scallions takes 50–70 days from planting to first harvest.

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Planting calendar for USDA Zones 5–6

Spring planting
April to May
Fall planting
August to September
Days to harvest
50–70 days
Water needs
medium

What USDA Zones 5–6 do—and do not—tell you

These zones span average annual extreme minimum temperatures of roughly -20°F to 0°F. That is useful climate context, but it does not determine your exact frost dates. Check a local forecast or county Extension calendar before planting tender crops.

Succession planting: Sow a short row every 3 weeks.

How to know when to harvest

  • The root shoulder has reached the expected mature width
  • Foliage is healthy before hard stress or bolting

Want a plan that accounts for your crops, growing method, equipment, and plant conditions? Open the free planner for a daily crop checklist and adaptive harvest forecast.

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