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Orchard Spray Calendar Guide

Learn orchard spray calendar from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.

commercial orchardistsserious hobbyists

Workflow

  1. Identify Key Pests Diseases

    2 hours

    Scout codling moth apple scab fire blight local extension bulletin.

  2. Choose IPM Products

    1 hour

    Select least toxic effective timing dormant oil fungicide narrow window.

  3. Calibrate Sprayer

    45 min

    Measure gallons per minute coverage both sides canopy.

  4. Log Applications PHI

    season

    Record date product rate pre-harvest interval before pick.

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Planning

Preparation

Safety

Execution

Quality

Documentation

Reference Materials

Spray Calibration StandardStandard

Industry best practices for spray calibration.

Spray Calibration FormulaFormula

GPA = gallons applied / acres treated; PHI pre-harvest interval mandatory.

Spray Calibration Reference TableTable

Key benchmarks for spray calibration.

PestTimingPHI days
Codling mothPetals fallLabel
ScabGreen tip0-14

  • Pro Tip

    Dormant oil safest first spray.

  • Time Saver

    Never spray bloom — kills bees.

  • Warning

    Calibration beats guessing concentration.

Safety Notes

  • Pesticide PPE — respirator gloves long sleeves.
  • Drift — neighbor bee hives liability.

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Orchard Management