Yates Hauraki Gold Peat Moss compressed bale works as a natural; organic soil conditioner & mulch. It breaks up heavy clay soils; improving drainage. It also adds body to light soils; retaining extra moisture and nutrients. Ideal for preparing soil in flower and vegetable gardens; planting trees & shrubs; and enriching rose and ornamental beds. Very high capacity to retain water. A natural mulch; suppressing weeds and conserving water during dry spells. Adding peat is an easy way to increase the acidity (pH) of soil for acid-loving plants.