Botanical illustration of lentils

Field guide

When to plant lentils in USDA Zones 1–4

In USDA Zones 1–4, the planner’s broad outdoor planting window for lentils runs from May to June, with a second window from July to August. Lentils takes 80–110 days from planting to first harvest.

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Planting calendar for USDA Zones 1–4

Spring planting
May to June
Fall planting
July to August
Days to harvest
80–110 days
Water needs
low

What USDA Zones 1–4 do—and do not—tell you

These zones span average annual extreme minimum temperatures of roughly -60°F to -20°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.

How to know when to harvest

  • Pods are filled but still tender for fresh eating
  • Dry beans rattle in fully brown pods

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.

About this field guide

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