It will depend greatly on your bed preparation. Mulch will help eliminate most of your weeds and make any that do come up easy to pull. However, for better assurance on a weed free bed it is best to treat area with a pre-emergent and also use weed barrier before applying mulch.

A standard size pick up truck bed can accommodate two cubic yards. A small pick up truck bed can accommodate one cubic yard.

One yard of mulch covers approximately a 10' x 10' area, 3" deep. To calculate the yardage that you will need, use the following formula: Length x width x depth (convert inches to feet by dividing depth by 12), divide by 27. Round up to the next whole number. This will give you the number of yards that you will need. Example: 10 x 10 x .25 = 25 divided by 27 = .926.

For Bagged Mulch:
You will need 13.5 two cubic foot bags to equal one cubic yard or 9 three cubic foot bags to equal one cubic yard.