Fine Dark Bark – Fine for the size dark for its chocolate brown color. Made for 100% virgin fir tree bark native to the northwest, aged for consistent color. The bark is screened and processes to be 5/8” minus in size. Fine Dark bark is the most popular for its dark color when installed in landscaping applications. Fine Dark Bark Gives you the dark compost color, along with the other benefits of fine bark without the weeds and invasive species that come with compost.