Seed Spacing & Yield Calculator
Select a vegetable and enter your bed dimensions to see how many plants fit, estimated yield, seed depth, and optimal spacing.
Data last updated: March 2026
Succession plant every 2 weeks
Spacing Results for 🥬 Lettuce
Row Spacing Diagram
Cross-section view · 4 rows across 4ft bed
Spacing Visualization (4ft x 8ft bed)
64 plants total · 6" apart in rows · 12" between rows
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Frequently Asked Questions
Proper spacing ensures each plant gets enough sunlight, water, nutrients, and air circulation. Overcrowding leads to competition for resources, increased disease pressure from poor airflow, and smaller yields. Under-spacing wastes valuable garden space. Following recommended spacing gives you the highest yield per square foot while keeping plants healthy.
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