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Seed Spacing Calculator

Calculate optimal plant spacing and garden capacity

Common Spacing (inches)

Tomatoes:24" × 36"
Lettuce:6" × 12"
Carrots:2" × 6"
Peppers:18" × 24"
Beans:4" × 18"
Corn:8" × 30"
Squash:36" × 48"
Onions:4" × 12"
Spinach:4" × 12"
Radishes:1" × 6"

Spacing Tips

  • • Consider mature plant size when spacing
  • • Account for air circulation to prevent disease
  • • Plan for harvest accessibility between rows
  • • Follow seed packet recommendations as guidelines
  • • Adjust spacing based on growing conditions and climate
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