42" would be the ideal distance apart. Not to close for proper root growth and not too far apart so as to take too long to fill in an area.
You should plant it 15 inches apart.
You should plant them arond 3-4m apart
You should plant them 3 inches apart.
20ft apart
because it does
plant them 12 to 15 inches wide. Keep rows 3 to 4 feet apart.
10 cm
200 meters
two inches apart
3 feet
6x4 meters
10 or 12 inchs