|
Mulch Material
|
Depth
|
Water Retention
|
Weed Control
|
Decomposition Rate
|
Tips for Using
|
|
stone
|
3 inches
|
fair
|
fair
|
negligible
|
Permanent mulch, adds some trace elements.
|
|
landscape fabric
|
1 layer
|
good
|
good
|
slow, lasts several years
|
Use in permanent beds, cover with top mulch.
|
|
plastic
|
1-6 inches
|
excellent
|
best
|
no decomposition
|
Adds nothing; black is good for heating soil.
|
back to top l back to how to use mulch
