I Want To Grow A Hedge With Pittosporum

Question

if I buy 1 gallon plants that are 6-8 inches how many would I need for a 30 foot bed

Answer 1

This article should help to figure that out:

https://hortnews.extension.iastate.edu/1992/4-29-1992/quant.html#:~:text=Multiply%20the%20square%20footage%20of,will%20need%20for%20each%20plant.&text=Number%20of%20Plants%20per%20Sq,Ft.