Why mulch depth and bed prep matter more than most people realize.
Get Notified When We Launch (816) 539-5496Beds get two to three inches of mulch, no more. Too much mulch, or mulch piled against a trunk, traps moisture and invites rot into the plant.
Mulching over existing weeds only hides the problem temporarily. We clear weeds first so the mulch actually does its job of preventing new growth.
Some beds just need a top up layer, while older, broken down mulch needs to be pulled and replaced entirely for the bed to look and function right.
A clean edge between the bed and the lawn keeps mulch contained and gives the whole bed a finished, intentional look.
Two to three inches is the standard. Piling it deeper can suffocate roots and trap excess moisture.
Yes, mulching over weeds just delays the problem instead of solving it.
Most beds benefit from a refresh once a year, though heavily sun exposed beds may break down faster.