Selecting the Best Mulch
You can suppress weeds, conserve moisture, improve soil and save time with one garden resource. And that’s mulch.
Consider function and beauty when selecting mulch for your garden. Organic mulches like woodchips, evergreen needles and shredded leaves keep the soil cool and moist in summer, suppress weeds and improve the soil as they break down.
A 2 to 3 inch layer of wood mulch is great around trees and shrubs and for pathways. Woodchips were found to perform well and the mix of bark, twigs and leaves make them more resistant to compaction. Some mulches, like cedar, are naturally long-lasting, extending the time between applications.
Consider shredded leaves and evergreen needles for perennials and annual flowers and vegetables. These products look good, break down quickly to improve the soil and do not tie up the nitrogen when incorporated into the soil.
A bit more information: Consider price and availability when making your selection. Additional types of mulch may vary by region. Choices may include waste products from local products like cracked pecan shells, oyster shells and peanut hulls. See this Washington State University publication “Woodchip Mulch: Landscape boon or bane” for more information.
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