I grow in beds that are 4ft/1.2metres wide. I plant in long rows. Usually 5 rows - most of my plants are 9inch/22cm apart or 4rows with plants spaced 1ft/30cm apart.
Dahlias are give a little bit more room - 2 rows, Plants spaced 18inch/45cm apart
My paths are 2ft/60cm wide
Dahlias are give a little bit more room - 2 rows, Plants spaced 18inch/45cm apart
My paths are 2ft/60cm wide