How many perennials per square foot

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Cookies must be enabled for best use of this site. Plant Calculator This plant and landscaping calculator makes it easy to figure out how many plants you need, spacing, and coverage. Fill in any two fields and this tool will calculate the third field.

This formula is incorrect because it fails to account for the fact that plants must be placed in rows and columns. If you want triangular spacing, then you need to place the plants on the corners of equilateral triangles equal distance apart at 60 degrees.

Our calculator can work out the vertical row spacing the blue line given you know the horizontal and diagonal spacing the plant spacing! This accounts for the plants in the second row being moved right by half a space compared to the first row.

All measurements for the number of rows, plants, etc. There are 5 odd rows rows 1,3,5,7,9 with 16 flowers per row , and 4 even rows rows 2,4,6,8 again with 16 flowers each. Home Calculators Plant Calculator. Enter parameters. Proper spacing also prevents the invasion of weeds as well as allowing enough air movement between plants to prevent diseases. Recommended plant spacings are listed on the back of seed packages or on plant identification tags if you buy plants from the garden center.

To determine the correct number of plants needed for a particular area it is necessary to know the area or square footage of the planting bed. For a rectangular bed, multiply its length by its width. This figure represents the area or square footage of your garden. For a round planting bed multiply 3. For a triangular bed, multiply. Winding beds require a good rough estimate. Circle Triangle Radius 10' Height 25' Base 20' 3.