How many plants do I need?
For a square grid, plants = area in square feet ÷ (spacing in feet)². Spacing in feet = inches ÷ 12. The result is rounded up.
Plant Master
How many plants do I need?
Result
FAQ
How many plants for triangle or staggered spacing?
Each plant covers spacing² × 0.866 in a triangle pattern, so plants = area ÷ (spacing in feet² × 0.866). That is about 15.5% more plants than a square grid.
How many ground cover plants per square foot?
Plants per square foot = 144 ÷ spacing in inches² for a square grid. At 12 inches that is 1 plant per square foot; at 6 inches it is 4.
How many flats of plants do I need?
Flats = plants ÷ plants per flat, rounded up. Flat sizes differ by nursery, so type the count from yours.
What does this not include?
Price, soil, mulch, plant losses, and odd-shaped beds beyond the area you enter. No extra plants are added for you.