Mulch Is the Cheapest Water-Saving Tool You Install
Principle six of the Denver Water framework is blunt: mulch everything. Two to three inches of mulch blocks evaporation from the soil surface, suppresses weeds, moderates soil temperature, and buys back a meaningful share of every gallon your client's plants receive. For a contractor, mulch is also one of the highest-margin, lowest-risk line items on the bid — and one of the easiest to get wrong.
There are two families of mulch, and the professional decision is not 'which one,' but 'which one where.'
