Botanical illustration of oregano

Field guide

When to plant oregano in USDA Zones 11–13

In USDA Zones 11–13, the planner’s broad outdoor planting window for oregano runs from February to April, with a second window from August to October. Oregano takes 80–100 days from planting to first harvest.

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Planting calendar for USDA Zones 11–13

Spring planting
February to April
Fall planting
August to October
Days to harvest
80–100 days
Water needs
low

What USDA Zones 11–13 do—and do not—tell you

These zones span average annual extreme minimum temperatures of roughly 40°F to 70°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

  • Stems have enough new growth to harvest without stripping the plant
  • Aromatic oils are strongest before full flowering

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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