Plant Population Calculator

Calculate optimal plant population density, spacing, and seed requirements for agricultural crops, gardens, and landscaping projects.

Field Specifications

Total area to be planted

Type of crop or plant

Method of planting

inches

Distance between rows

inches

Distance between plants in row

%

Expected seed germination percentage

Population Results

Enter field specifications to calculate plant population

Plant Population Guidelines

Optimal Densities

  • • Corn: 28,000-34,000 plants/acre
  • • Soybeans: 140,000-180,000 plants/acre
  • • Wheat: 1.2-1.8 million plants/acre
  • • Tomatoes: 4,000-6,000 plants/acre
  • • Lettuce: 50,000-100,000 plants/acre

Factors Affecting Population

  • • Soil fertility and moisture
  • • Climate and growing season
  • • Disease and pest pressure
  • • Equipment and management
  • • Market requirements