The formula to calculate the plants per square feet is:
\[ \text{PLSF} = \frac{P}{A} \]
Where:
Let's say you have 100 plants and a total area of 50 ft². Using the formula:
\[ \text{PLSF} = \frac{100}{50} = 2 \, \text{plants/ft}^2 \]
So, you can plant 2 plants per square foot.