Plant Spacing Calculator — Calculate Optimal Plant Layout & Quantity

Plant Spacing Calculator

Calculate optimal plant spacing for your garden with our comprehensive calculator. Determine plant quantity, layout patterns, and spacing requirements for maximum yield and healthy growth.

Step 1: Garden Area & Spacing

12″
24″

Understanding Plant Spacing

Proper spacing ensures adequate sunlight, airflow, and nutrient access. Crowded plants compete for resources, while excessive spacing wastes garden space. Different patterns optimize space usage differently.

Step 2: Plant Details

$1.50
15%

About Plant Density

Different plants have different spacing requirements. Leafy greens can be planted closer together than tomatoes or peppers. Consider mature plant size when determining spacing to prevent overcrowding.

Planting Plan Results

Summary
Plant Comparison
Visualization

Estimated Total Plants Needed

48
For 100 sq ft with 12″ spacing
Planting Area
85 sq ft
Plants per Sq Ft
0.56
Plant Cost
$60
Soil Amendment Cost
$128

Plant Layout Visualization

Layout Pattern: Square

Plant Spacing: 12

Row Spacing: 24

Efficiency: 85%

This visualization shows the approximate arrangement of plants in your garden bed.

Plant Type Comparison

Plant Type Price per Plant Plants Needed Total Plant Cost Recommended Spacing

Planting Density Visualization

Plant Spacing Formula

Plants per square foot = 144 / (plant spacing × row spacing × pattern factor)

Square pattern factor: 1.0 | Triangular: 0.866 | Hexagonal: 0.83

To calculate total plants: Multiply planting area (accounting for pathways) by plants per sq ft.

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