How many plants

[gary]

If Blue Star Creeper (Laurentia Fluviatilis (Isotoma fluviatilis) plants are to be spaced 8" apart, how many plants will I need for a

300-square-foot garden?

Also, how many "plugs" of this groundcover are in a nursery flat?

[Jangchub]

I'm not good at my "goesintas" but I think 675...I think