Charcoal in Container Growing Media
Tom Miles, January 11, 2009

P Pine Grown in Vermiculite (Left) and Charcoal (Right) Media

After visiting Richard Haard and Larry Williams in early 2007 I started discussing the use of charcoal with various nursery growers and researchers in the West. A commercial nursery in California became interested in substituting charcoal for vermiculite in a growing media - soilless substrate - for container grown tree seedlings.