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Soils and Mulches

Program Contact: Spokane County Master Gardeners
(509) 477-2181 •

WSU Publications:

The WSU Extension Publication Store carries the following helpful publications.  Many publications are available for download at no cost.

  • Home Gardener’s Guide to Soil and Fertilizers
  • Acidifying Soil
  • Organic Soil Amendments in Yards and Gardens
  • Using Biosolids in Gardens and Landscapes

WSU website

Gardening in Washington State